312156414234512 has 40 divisors (see below), whose sum is σ = 623748031440000. Its totient is φ = 151224480150912.

The previous prime is 312156414234409. The next prime is 312156414234517. The reversal of 312156414234512 is 215432414651213.

It is not an unprimeable number, because it can be changed into a prime (312156414234517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102978262 + ... + 1103261237.

It is an arithmetic number, because the mean of its divisors is an integer number (15593700786000).

Almost surely, 2^{312156414234512} is an apocalyptic number.

It is an amenable number.

312156414234512 is a deficient number, since it is larger than the sum of its proper divisors (311591617205488).

312156414234512 is a wasteful number, since it uses less digits than its factorization.

312156414234512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206239783 (or 2206239777 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

Adding to 312156414234512 its reverse (215432414651213), we get a palindrome (527588828885725).

The spelling of 312156414234512 in words is "three hundred twelve trillion, one hundred fifty-six billion, four hundred fourteen million, two hundred thirty-four thousand, five hundred twelve".