123533101012000 has 96 divisors (see below), whose sum is σ = 303921788854320. Its totient is φ = 49347964108800.

The previous prime is 123533101011997. The next prime is 123533101012031. The reversal of 123533101012000 is 210101335321.

It can be written as a sum of positive squares in 8 ways, for example, as 29086620304 + 123504014391696 = 170548^2 + 11113236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17370465 + ... + 23426464.

Almost surely, 2^{123533101012000} is an apocalyptic number.

123533101012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123533101012000 is an abundant number, since it is smaller than the sum of its proper divisors (180388687842320).

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

123533101012000 is an equidigital number, since it uses as much as digits as its factorization.

123533101012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40797711 (or 40797693 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 123533101012000 its reverse (210101335321), we get a palindrome (123743202347321).

The spelling of 123533101012000 in words is "one hundred twenty-three trillion, five hundred thirty-three billion, one hundred one million, twelve thousand".