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102200202112212 = 223217166993794301
BaseRepresentation
bin10111001111001101010110…
…101111100010110011010100
3111101212020120210202102120200
4113033031112233202303110
5101343422003220042322
61001210042533500500
730345502165416621
oct2717152657426324
9441766523672520
10102200202112212
112a622953814046
12b567100aa1730
13450458c842cb9
141b34732555348
15bc36dd8468ac
hex5cf356be2cd4

102200202112212 has 36 divisors (see below), whose sum is σ = 273535835066676. Its totient is φ = 32062808505600.

The previous prime is 102200202112187. The next prime is 102200202112213. The reversal of 102200202112212 is 212211202002201.

It is a happy number.

102200202112212 is a `hidden beast` number, since 1 + 0 + 220 + 0 + 20 + 211 + 2 + 212 = 666.

102200202112212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 84031432261956 + 18168769850256 = 9166866^2 + 4262484^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200202112213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83496896539 + ... + 83496897762.

It is an arithmetic number, because the mean of its divisors is an integer number (7598217640741).

Almost surely, 2102200202112212 is an apocalyptic number.

102200202112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102200202112212 is an abundant number, since it is smaller than the sum of its proper divisors (171335632954464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102200202112212 is a wasteful number, since it uses less digits than its factorization.

102200202112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166993794328 (or 166993794323 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102200202112212 its reverse (212211202002201), we get a palindrome (314411404114413).

The spelling of 102200202112212 in words is "one hundred two trillion, two hundred billion, two hundred two million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 166993794301 333987588602 500981382903 667975177204 1001962765806 1502944148709 2003925531612 2838894503117 3005888297418 5677789006234 6011776594836 8516683509351 11355578012468 17033367018702 25550050528053 34066734037404 51100101056106 102200202112212