3123102131222 has 4 divisors (see below), whose sum is σ = 4684653196836. Its totient is φ = 1561551065610.

The previous prime is 3123102131189. The next prime is 3123102131263. The reversal of 3123102131222 is 2221312013213.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780775532804 + ... + 780775532807.

It is an arithmetic number, because the mean of its divisors is an integer number (1171163299209).

Almost surely, 2^{3123102131222} is an apocalyptic number.

3123102131222 is a deficient number, since it is larger than the sum of its proper divisors (1561551065614).

3123102131222 is a wasteful number, since it uses less digits than its factorization.

3123102131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561551065613.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3123102131222 its reverse (2221312013213), we get a palindrome (5344414144435).

The spelling of 3123102131222 in words is "three trillion, one hundred twenty-three billion, one hundred two million, one hundred thirty-one thousand, two hundred twenty-two".