312212322413893 has 8 divisors (see below), whose sum is σ = 360630276157440. Its totient is φ = 267133537894080.

The previous prime is 312212322413843. The next prime is 312212322413903. The reversal of 312212322413893 is 398314223212213.

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

It is not a de Polignac number, because 312212322413893 - 2¹³ = 312212322405701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212322413843) 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, 834792305733 + ... + 834792306106.

It is an arithmetic number, because the mean of its divisors is an integer number (45078784519680).

Almost surely, 2^{312212322413893} is an apocalyptic number.

It is an amenable number.

312212322413893 is a deficient number, since it is larger than the sum of its proper divisors (48417953743547).

312212322413893 is a wasteful number, since it uses less digits than its factorization.

312212322413893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669584611867.

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

The spelling of 312212322413893 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, four hundred thirteen thousand, eight hundred ninety-three".