312456236452 has 12 divisors (see below), whose sum is σ = 547067919580. Its totient is φ = 156151116576.

The previous prime is 312456236401. The next prime is 312456236461. The reversal of 312456236452 is 254632654213.

It can be written as a sum of positive squares in 2 ways, for example, as 242001028096 + 70455208356 = 491936^2 + 265434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312456236399 and 312456236408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19241283 + ... + 19257514.

Almost surely, 2^312456236452 is an apocalyptic number.

It is an amenable number.

312456236452 is a deficient number, since it is larger than the sum of its proper divisors (234611683128).

312456236452 is a wasteful number, since it uses less digits than its factorization.

312456236452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38500830 (or 38500828 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

The spelling of 312456236452 in words is "three hundred twelve billion, four hundred fifty-six million, two hundred thirty-six thousand, four hundred fifty-two".