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22002112102212 = 22321155560889147
BaseRepresentation
bin1010000000010110001000…
…00100110111111101000100
32212220101022000121021011200
411000023010010313331010
510340440311144232322
6114443344124502500
74430412564060234
oct500130404677504
985811260537150
1022002112102212
117013052762540
1225741a69aaa30
13c37a372b2618
14560c9d427cc4
152824d34bb8ac
hex1402c4137f44

22002112102212 has 36 divisors (see below), whose sum is σ = 60672490949616. Its totient is φ = 6667306697520.

The previous prime is 22002112102211. The next prime is 22002112102213. The reversal of 22002112102212 is 21220121120022.

It is a happy number.

22002112102212 is a `hidden beast` number, since 2 + 20 + 0 + 211 + 210 + 221 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (22002112102211) and next prime (22002112102213).

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 not an unprimeable number, because it can be changed into a prime (22002112102211) 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, 27780444178 + ... + 27780444969.

Almost surely, 222002112102212 is an apocalyptic number.

22002112102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22002112102212 is an abundant number, since it is smaller than the sum of its proper divisors (38670378847404).

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

22002112102212 is a wasteful number, since it uses less digits than its factorization.

22002112102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55560889168 (or 55560889163 counting only the distinct ones).

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

Adding to 22002112102212 its reverse (21220121120022), we get a palindrome (43222233222234).

The spelling of 22002112102212 in words is "twenty-two trillion, two billion, one hundred twelve million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 55560889147 111121778294 166682667441 222243556588 333365334882 500048002323 611169780617 666730669764 1000096004646 1222339561234 1833509341851 2000192009292 2444679122468 3667018683702 5500528025553 7334037367404 11001056051106 22002112102212