3123321020012 has 12 divisors (see below), whose sum is σ = 5654288053680. Its totient is φ = 1507810147536.

The previous prime is 3123321020003. The next prime is 3123321020033. The reversal of 3123321020012 is 2100201233213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13462590488 + ... + 13462590719.

It is an arithmetic number, because the mean of its divisors is an integer number (471190671140).

Almost surely, 2^{3123321020012} is an apocalyptic number.

It is an amenable number.

3123321020012 is a deficient number, since it is larger than the sum of its proper divisors (2530967033668).

3123321020012 is a wasteful number, since it uses less digits than its factorization.

3123321020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26925181240 (or 26925181238 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3123321020012 its reverse (2100201233213), we get a palindrome (5223522253225).

The spelling of 3123321020012 in words is "three trillion, one hundred twenty-three billion, three hundred twenty-one million, twenty thousand, twelve".