3121323301012 has 12 divisors (see below), whose sum is σ = 6242646602080. Its totient is φ = 1337709986136.

The previous prime is 3121323301009. The next prime is 3121323301013. The reversal of 3121323301012 is 2101033231213.

3121323301012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121323301013) 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, 55737916062 + ... + 55737916117.

Almost surely, 2^{3121323301012} is an apocalyptic number.

It is an amenable number.

3121323301012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3121323301012 is a wasteful number, since it uses less digits than its factorization.

3121323301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111475832190 (or 111475832188 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3121323301012 its reverse (2101033231213), we get a palindrome (5222356532225).

The spelling of 3121323301012 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred one thousand, twelve".