312212322430388 has 48 divisors (see below), whose sum is σ = 566447932512000. Its totient is φ = 150393615808128.

The previous prime is 312212322430387. The next prime is 312212322430409. The reversal of 312212322430388 is 883034223212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212322430387) 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, 3296495978 + ... + 3296590686.

It is an arithmetic number, because the mean of its divisors is an integer number (11800998594000).

Almost surely, 2^{312212322430388} is an apocalyptic number.

It is an amenable number.

312212322430388 is a deficient number, since it is larger than the sum of its proper divisors (254235610081612).

312212322430388 is a wasteful number, since it uses less digits than its factorization.

312212322430388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156584 (or 156582 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 312212322430388 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, four hundred thirty thousand, three hundred eighty-eight".