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222012120111985 = 5731317645487273
BaseRepresentation
bin110010011110101100111001…
…100011100001101101110001
31002010002011002101001220012201
4302132230321203201231301
5213044421310222040420
62104102543204423201
764522563205160110
oct6236547143415561
91063064071056181
10222012120111985
11648158a1a60745
1220a975299a7b01
1396b5864b04678
143cb7630297c77
151aa00a0e9c10a
hexc9eb398e1b71

222012120111985 has 32 divisors (see below), whose sum is σ = 315286968010752. Its totient is φ = 146861264125440.

The previous prime is 222012120111979. The next prime is 222012120112033. The reversal of 222012120111985 is 589111021210222.

It is not a de Polignac number, because 222012120111985 - 27 = 222012120111857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322399692 + ... + 323087581.

It is an arithmetic number, because the mean of its divisors is an integer number (9852717750336).

Almost surely, 2222012120111985 is an apocalyptic number.

It is an amenable number.

222012120111985 is a deficient number, since it is larger than the sum of its proper divisors (93274847898767).

222012120111985 is a wasteful number, since it uses less digits than its factorization.

222012120111985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645487633.

The product of its (nonzero) digits is 11520, while the sum is 37.

The spelling of 222012120111985 in words is "two hundred twenty-two trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, nine hundred eighty-five".

Divisors: 1 5 7 31 35 155 217 317 1085 1585 2219 9827 11095 49135 68789 343945 645487273 3227436365 4518410911 20010105463 22592054555 100050527315 140070738241 204619465541 700353691205 1023097327705 1432336258787 6343203431771 7161681293935 31716017158855 44402424022397 222012120111985