312440243200012 has 12 divisors (see below), whose sum is σ = 546774431642320. Its totient is φ = 156218977016496.

The previous prime is 312440243200003. The next prime is 312440243200051. The reversal of 312440243200012 is 210002342044213.

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, 285531543 + ... + 286623694.

Almost surely, 2^{312440243200012} is an apocalyptic number.

It is an amenable number.

312440243200012 is a deficient number, since it is larger than the sum of its proper divisors (234334188442308).

312440243200012 is a wasteful number, since it uses less digits than its factorization.

312440243200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572291760 (or 572291758 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 312440243200012 its reverse (210002342044213), we get a palindrome (522442585244225).

The spelling of 312440243200012 in words is "three hundred twelve trillion, four hundred forty billion, two hundred forty-three million, two hundred thousand, twelve".