312461012 has 12 divisors (see below), whose sum is σ = 547183476. Its totient is φ = 156122880.

The previous prime is 312460987. The next prime is 312461033. The reversal of 312461012 is 210164213.

It can be written as a sum of positive squares in 2 ways, for example, as 186213316 + 126247696 = 13646^2 + 11236^2 .

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, 20189 + ... + 32132.

It is an arithmetic number, because the mean of its divisors is an integer number (45598623).

Almost surely, 2^312461012 is an apocalyptic number.

It is an amenable number.

312461012 is a deficient number, since it is larger than the sum of its proper divisors (234722464).

312461012 is a wasteful number, since it uses less digits than its factorization.

312461012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53818 (or 53816 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 312461012 is about 17676.5667480990. The cubic root of 312461012 is about 678.5761817179.

The spelling of 312461012 in words is "three hundred twelve million, four hundred sixty-one thousand, twelve".