123131133122 has 16 divisors (see below), whose sum is σ = 188020764000. Its totient is φ = 60459696480.

The previous prime is 123131133109. The next prime is 123131133133. The reversal of 123131133122 is 221331131321.

It is a super-2 number, since 2×123131133122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422747 + ... + 651902.

It is an arithmetic number, because the mean of its divisors is an integer number (11751297750).

Almost surely, 2^123131133122 is an apocalyptic number.

123131133122 is a deficient number, since it is larger than the sum of its proper divisors (64889630878).

123131133122 is a wasteful number, since it uses less digits than its factorization.

123131133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075681.

The product of its digits is 648, while the sum is 23.

Adding to 123131133122 its reverse (221331131321), we get a palindrome (344462264443).

The spelling of 123131133122 in words is "one hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-three thousand, one hundred twenty-two".