123311232002122 has 16 divisors (see below), whose sum is σ = 191607203478600. Its totient is φ = 59475957333760.

The previous prime is 123311232002107. The next prime is 123311232002213. The reversal of 123311232002122 is 221200232113321.

It can be written as a sum of positive squares in 4 ways, for example, as 61926999935641 + 61384232066481 = 7869371^2 + 7834809^2 .

It is a super-2 number, since 2×123311232002122² (a number of 29 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, 8448282097 + ... + 8448296692.

Almost surely, 2^{123311232002122} is an apocalyptic number.

123311232002122 is a deficient number, since it is larger than the sum of its proper divisors (68295971476478).

123311232002122 is a wasteful number, since it uses less digits than its factorization.

123311232002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16896578921.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123311232002122 its reverse (221200232113321), we get a palindrome (344511464115443).

The spelling of 123311232002122 in words is "one hundred twenty-three trillion, three hundred eleven billion, two hundred thirty-two million, two thousand, one hundred twenty-two".