312000440124432 has 40 divisors (see below), whose sum is σ = 808323906878496. Its totient is φ = 103700434464256.

The previous prime is 312000440124407. The next prime is 312000440124433. The reversal of 312000440124432 is 234421044000213.

It is a self number, because there is not a number n which added to its sum of digits gives 312000440124432.

It is not an unprimeable number, because it can be changed into a prime (312000440124433) 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, 9365990793 + ... + 9366024104.

Almost surely, 2^{312000440124432} is an apocalyptic number.

It is an amenable number.

312000440124432 is an abundant number, since it is smaller than the sum of its proper divisors (496323466754064).

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

312000440124432 is a wasteful number, since it uses less digits than its factorization.

312000440124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732015255 (or 18732015249 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 312000440124432 its reverse (234421044000213), we get a palindrome (546421484124645).

The spelling of 312000440124432 in words is "three hundred twelve trillion, four hundred forty million, one hundred twenty-four thousand, four hundred thirty-two".