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12313222223112 = 2332279016129421
BaseRepresentation
bin1011001100101110010100…
…1111001001010100001000
31121121010120121221122210200
42303023211033021110020
53103214434342114422
642104341033212200
72410413060665316
oct263134517112410
947533517848720
1012313222223112
113a1800aa38018
12146a475261060
136b4193958745
14307d6abb50b6
151654662ca2ac
hexb32e53c9508

12313222223112 has 48 divisors (see below), whose sum is σ = 33349510865580. Its totient is φ = 4104259632000.

The previous prime is 12313222223101. The next prime is 12313222223143. The reversal of 12313222223112 is 21132222231321.

12313222223112 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 322 + 2 + 22 + 311 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9274984976196 + 3038237246916 = 3045486^2 + 1743054^2 .

It is a nude number because it is divisible by every one of its digits.

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, 1055839 + ... + 5073582.

Almost surely, 212313222223112 is an apocalyptic number.

12313222223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313222223112 is an abundant number, since it is smaller than the sum of its proper divisors (21036288642468).

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

12313222223112 is a wasteful number, since it uses less digits than its factorization.

12313222223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157334 (or 6157327 counting only the distinct ones).

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

Adding to 12313222223112 its reverse (21132222231321), we get a palindrome (33445444454433).

The spelling of 12313222223112 in words is "twelve trillion, three hundred thirteen billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 27901 55802 83703 111604 167406 223208 251109 334812 502218 669624 1004436 2008872 6129421 12258842 18388263 24517684 36776526 49035368 55164789 73553052 110329578 147106104 220659156 441318312 171016975321 342033950642 513050925963 684067901284 1026101851926 1368135802568 1539152777889 2052203703852 3078305555778 4104407407704 6156611111556 12313222223112