12227655862312 has 64 divisors (see below), whose sum is σ = 25532144409600. Its totient is φ = 5443036704000.

The previous prime is 12227655862291. The next prime is 12227655862333. The reversal of 12227655862312 is 21326855672221.

It is an interprime number because it is at equal distance from previous prime (12227655862291) and next prime (12227655862333).

It is a self number, because there is not a number n which added to its sum of digits gives 12227655862312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3744264 + ... + 6202807.

It is an arithmetic number, because the mean of its divisors is an integer number (398939756400).

Almost surely, 2^{12227655862312} is an apocalyptic number.

It is an amenable number.

12227655862312 is an abundant number, since it is smaller than the sum of its proper divisors (13304488547288).

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

12227655862312 is a wasteful number, since it uses less digits than its factorization.

12227655862312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947378 (or 9947374 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The spelling of 12227655862312 in words is "twelve trillion, two hundred twenty-seven billion, six hundred fifty-five million, eight hundred sixty-two thousand, three hundred twelve".