123211100031332 has 12 divisors (see below), whose sum is σ = 220878435422316. Its totient is φ = 60102975624960.

The previous prime is 123211100031293. The next prime is 123211100031431. The reversal of 123211100031332 is 233130001112321.

It can be written as a sum of positive squares in 2 ways, for example, as 27279144027136 + 95931956004196 = 5222944^2 + 9794486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123211100031298 and 123211100031307.

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, 375643597493 + ... + 375643597820.

It is an arithmetic number, because the mean of its divisors is an integer number (18406536285193).

Almost surely, 2^{123211100031332} is an apocalyptic number.

It is an amenable number.

123211100031332 is a deficient number, since it is larger than the sum of its proper divisors (97667335390984).

123211100031332 is a wasteful number, since it uses less digits than its factorization.

123211100031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751287195358 (or 751287195356 counting only the distinct ones).

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

Adding to 123211100031332 its reverse (233130001112321), we get a palindrome (356341101143653).

The spelling of 123211100031332 in words is "one hundred twenty-three trillion, two hundred eleven billion, one hundred million, thirty-one thousand, three hundred thirty-two".