312021030004120 has 64 divisors (see below), whose sum is σ = 702160672032000. Its totient is φ = 124788262101888.

The previous prime is 312021030004111. The next prime is 312021030004141. The reversal of 312021030004120 is 21400030120213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11354876541 + ... + 11354904019.

It is an arithmetic number, because the mean of its divisors is an integer number (10971260500500).

Almost surely, 2^{312021030004120} is an apocalyptic number.

It is an amenable number.

312021030004120 is an abundant number, since it is smaller than the sum of its proper divisors (390139642027880).

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

312021030004120 is a wasteful number, since it uses less digits than its factorization.

312021030004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62992 (or 62988 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312021030004120 its reverse (21400030120213), we get a palindrome (333421060124333).

The spelling of 312021030004120 in words is "three hundred twelve trillion, twenty-one billion, thirty million, four thousand, one hundred twenty".