312212322413938 has 8 divisors (see below), whose sum is σ = 488680156821888. Its totient is φ = 149318936806644.

The previous prime is 312212322413903. The next prime is 312212322413939. The reversal of 312212322413938 is 839314223212213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 6787224400303 = 312212322413938 / (3 + 1 + 2 + 2 + 1 + 2 + 3 + 2 + 2 + 4 + 1 + 3 + 9 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (312212322413939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393612200106 + ... + 3393612200197.

It is an arithmetic number, because the mean of its divisors is an integer number (61085019602736).

Almost surely, 2^{312212322413938} is an apocalyptic number.

312212322413938 is a deficient number, since it is larger than the sum of its proper divisors (176467834407950).

312212322413938 is a wasteful number, since it uses less digits than its factorization.

312212322413938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787224400328.

The product of its digits is 746496, while the sum is 46.

The spelling of 312212322413938 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, four hundred thirteen thousand, nine hundred thirty-eight".