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102210220201212 = 223319234746077751
BaseRepresentation
bin10111001111010110101011…
…110111100001010011111100
3111101220012102222120002011000
4113033112223313201103330
5101344103012332414322
61001214421004130300
730346305352651314
oct2717265367412374
9441805388502130
10102210220201212
112a627124763642
12b569037b36990
1345054c81c4b06
141b35002c66444
15bc3ac80c93ac
hex5cf5abde14fc

102210220201212 has 192 divisors, whose sum is σ = 297256793702400. Its totient is φ = 30216682584000.

The previous prime is 102210220201121. The next prime is 102210220201223. The reversal of 102210220201212 is 212102022012201.

It is a happy number.

102210220201212 is a `hidden beast` number, since 1 + 0 + 2 + 210 + 220 + 20 + 1 + 212 = 666.

It is a super-2 number, since 2×1022102202012122 (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20820664 + ... + 25257087.

It is an arithmetic number, because the mean of its divisors is an integer number (1548212467200).

Almost surely, 2102210220201212 is an apocalyptic number.

102210220201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102210220201212 is an abundant number, since it is smaller than the sum of its proper divisors (195046573501188).

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

102210220201212 is a wasteful number, since it uses less digits than its factorization.

102210220201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46077853 (or 46077845 counting only the distinct ones).

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

Adding to 102210220201212 its reverse (212102022012201), we get a palindrome (314312242213413).

The spelling of 102210220201212 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty million, two hundred one thousand, two hundred twelve".