12271623942 has 16 divisors (see below), whose sum is σ = 24545908800. Its totient is φ = 4090097832.

The previous prime is 12271623919. The next prime is 12271623977. The reversal of 12271623942 is 24932617221.

It is a self number, because there is not a number n which added to its sum of digits gives 12271623942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48192 + ... + 163907.

It is an arithmetic number, because the mean of its divisors is an integer number (1534119300).

Almost surely, 2^12271623942 is an apocalyptic number.

12271623942 is an abundant number, since it is smaller than the sum of its proper divisors (12274284858).

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

12271623942 is a wasteful number, since it uses less digits than its factorization.

12271623942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221747.

The product of its digits is 72576, while the sum is 39.

The spelling of 12271623942 in words is "twelve billion, two hundred seventy-one million, six hundred twenty-three thousand, nine hundred forty-two".