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102213312232212 = 223214517719557221
BaseRepresentation
bin10111001111011001100100…
…001010101011101100010100
3111101220111102110202112021200
4113033121210022223230110
5101344130330412412322
61001220051501112500
730346445106536046
oct2717314412535424
9441814373675250
10102213312232212
112a628471072265
12b56975b558730
13450589b98c85c
141b35217787a96
15bc3c0979b8ac
hex5cf6642abb14

102213312232212 has 36 divisors (see below), whose sum is σ = 258374332171956. Its totient is φ = 34070867648640.

The previous prime is 102213312232201. The next prime is 102213312232223. The reversal of 102213312232212 is 212232213312201.

102213312232212 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 1 + 331 + 2 + 2 + 322 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (102213312232201) and next prime (102213312232223).

It can be written as a sum of positive squares in 2 ways, for example, as 87583880607876 + 14629431624336 = 9358626^2 + 3824844^2 .

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

It is a super-2 number, since 2×1022133122322122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4552239 + ... + 15004982.

Almost surely, 2102213312232212 is an apocalyptic number.

102213312232212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102213312232212 is an abundant number, since it is smaller than the sum of its proper divisors (156161019939744).

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

102213312232212 is a wasteful number, since it uses less digits than its factorization.

102213312232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19702408 (or 19702403 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 102213312232212 its reverse (212232213312201), we get a palindrome (314445525544413).

The spelling of 102213312232212 in words is "one hundred two trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 145177 290354 435531 580708 871062 1306593 1742124 2613186 5226372 19557221 39114442 58671663 78228884 117343326 176014989 234686652 352029978 704059956 2839258673117 5678517346234 8517776019351 11357034692468 17035552038702 25553328058053 34071104077404 51106656116106 102213312232212