123132033211100 has 72 divisors (see below), whose sum is σ = 281292331190640. Its totient is φ = 46655111047680.

The previous prime is 123132033211069. The next prime is 123132033211129. The reversal of 123132033211100 is 1112330231321.

It is a super-2 number, since 2×123132033211100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12509024 + ... + 20068376.

Almost surely, 2^{123132033211100} is an apocalyptic number.

123132033211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123132033211100 is an abundant number, since it is smaller than the sum of its proper divisors (158160297979540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123132033211100 is a wasteful number, since it uses less digits than its factorization.

123132033211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567959 (or 7567952 counting only the distinct ones).

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

Adding to 123132033211100 its reverse (1112330231321), we get a palindrome (124244363442421).

The spelling of 123132033211100 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, thirty-three million, two hundred eleven thousand, one hundred".