312000122402320 has 80 divisors (see below), whose sum is σ = 793077376013568. Its totient is φ = 113206330321920.

The previous prime is 312000122402261. The next prime is 312000122402327. The reversal of 312000122402320 is 23204221000213.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 312000122402291 and 312000122402300.

It is not an unprimeable number, because it can be changed into a prime (312000122402327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387503304 + ... + 388307623.

Almost surely, 2^{312000122402320} is an apocalyptic number.

It is an amenable number.

312000122402320 is an abundant number, since it is smaller than the sum of its proper divisors (481077253611248).

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

312000122402320 is a wasteful number, since it uses less digits than its factorization.

312000122402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775811408 (or 775811402 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312000122402320 its reverse (23204221000213), we get a palindrome (335204343402533).

The spelling of 312000122402320 in words is "three hundred twelve trillion, one hundred twenty-two million, four hundred two thousand, three hundred twenty".