123131033222132 has 24 divisors (see below), whose sum is σ = 232079272093032. Its totient is φ = 56823675177600.

The previous prime is 123131033222117. The next prime is 123131033222207. The reversal of 123131033222132 is 231222330131321.

It can be written as a sum of positive squares in 4 ways, for example, as 525329241616 + 122605703980516 = 724796^2 + 11072746^2 .

It is a super-2 number, since 2×123131033222132² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123131033222095 and 123131033222104.

It is a congruent number.

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, 125181719 + ... + 126161502.

It is an arithmetic number, because the mean of its divisors is an integer number (9669969670543).

Almost surely, 2^{123131033222132} is an apocalyptic number.

It is an amenable number.

123131033222132 is a deficient number, since it is larger than the sum of its proper divisors (108948238870900).

123131033222132 is a wasteful number, since it uses less digits than its factorization.

123131033222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251352659 (or 251352657 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 123131033222132 its reverse (231222330131321), we get a palindrome (354353363353453).

The spelling of 123131033222132 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, thirty-three million, two hundred twenty-two thousand, one hundred thirty-two".