312021011042412 has 96 divisors (see below), whose sum is σ = 851177985638400. Its totient is φ = 87106412477760.

The previous prime is 312021011042381. The next prime is 312021011042417. The reversal of 312021011042412 is 214240110120213.

It is a super-2 number, since 2×312021011042412² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312021011042417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63605664 + ... + 68335367.

It is an arithmetic number, because the mean of its divisors is an integer number (8866437350400).

Almost surely, 2^{312021011042412} is an apocalyptic number.

It is an amenable number.

312021011042412 is an abundant number, since it is smaller than the sum of its proper divisors (539156974595988).

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

312021011042412 is a wasteful number, since it uses less digits than its factorization.

312021011042412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131941691 (or 131941689 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 312021011042412 its reverse (214240110120213), we get a palindrome (526261121162625).

The spelling of 312021011042412 in words is "three hundred twelve trillion, twenty-one billion, eleven million, forty-two thousand, four hundred twelve".