12277298032 has 20 divisors (see below), whose sum is σ = 24554597056. Its totient is φ = 5940627840.

The previous prime is 12277297973. The next prime is 12277298053. The reversal of 12277298032 is 23089277221.

12277298032 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12277298032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12375813 + ... + 12376804.

Almost surely, 2^12277298032 is an apocalyptic number.

It is an amenable number.

12277298032 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12277298032 is a wasteful number, since it uses less digits than its factorization.

12277298032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24752656 (or 24752650 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 12277298032 in words is "twelve billion, two hundred seventy-seven million, two hundred ninety-eight thousand, thirty-two".