312274005672 has 128 divisors (see below), whose sum is σ = 798870159360. Its totient is φ = 101697738240.

The previous prime is 312274005661. The next prime is 312274005679. The reversal of 312274005672 is 276500472213.

It is a self number, because there is not a number n which added to its sum of digits gives 312274005672.

It is not an unprimeable number, because it can be changed into a prime (312274005679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88536373 + ... + 88539899.

It is an arithmetic number, because the mean of its divisors is an integer number (6241173120).

Almost surely, 2^312274005672 is an apocalyptic number.

It is an amenable number.

312274005672 is an abundant number, since it is smaller than the sum of its proper divisors (486596153688).

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

312274005672 is a wasteful number, since it uses less digits than its factorization.

312274005672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

Adding to 312274005672 its reverse (276500472213), we get a palindrome (588774477885).

The spelling of 312274005672 in words is "three hundred twelve billion, two hundred seventy-four million, five thousand, six hundred seventy-two".