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102212100022012 = 22191435730705869
BaseRepresentation
bin10111001111011000011011…
…111010011101111011111100
3111101220101021222202212111121
4113033120123322131323330
5101344120340101201022
61001215331315200324
730346403060114401
oct2717303372357374
9441811258685447
10102212100022012
112a6279a9886852
12b5694815a60a4
1345057377b1806
141b3514079a2a8
15bc3b8814d2c7
hex5cf61be9defc

102212100022012 has 24 divisors (see below), whose sum is σ = 179848947882240. Its totient is φ = 50826809183040.

The previous prime is 102212100021989. The next prime is 102212100022099. The reversal of 102212100022012 is 210220001212201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12024187 + ... + 18681682.

It is an arithmetic number, because the mean of its divisors is an integer number (7493706161760).

Almost surely, 2102212100022012 is an apocalyptic number.

It is an amenable number.

102212100022012 is a deficient number, since it is larger than the sum of its proper divisors (77636847860228).

102212100022012 is a wasteful number, since it uses less digits than its factorization.

102212100022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30710421 (or 30710419 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212100022012 its reverse (210220001212201), we get a palindrome (312432101234213).

The spelling of 102212100022012 in words is "one hundred two trillion, two hundred twelve billion, one hundred million, twenty-two thousand, twelve".

Divisors: 1 2 4 191 382 764 4357 8714 17428 832187 1664374 3328748 30705869 61411738 122823476 5864820979 11729641958 23459283916 133785471233 267570942466 535141884932 25553025005503 51106050011006 102212100022012