12313526220 has 36 divisors (see below), whose sum is σ = 37351030080. Its totient is φ = 3283606944.

The previous prime is 12313526219. The next prime is 12313526221. The reversal of 12313526220 is 2262531321.

It is a happy number.

12313526220 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 35 + 2 + 622 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12313526219) and next prime (12313526221).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (12313526221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34204060 + ... + 34204419.

Almost surely, 2^12313526220 is an apocalyptic number.

12313526220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313526220 is an abundant number, since it is smaller than the sum of its proper divisors (25037503860).

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

12313526220 is a wasteful number, since it uses less digits than its factorization.

12313526220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68408494 (or 68408489 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 12313526220 in words is "twelve billion, three hundred thirteen million, five hundred twenty-six thousand, two hundred twenty".