123102131331201 has 32 divisors (see below), whose sum is σ = 186911747108736. Its totient is φ = 71400921984000.

The previous prime is 123102131331199. The next prime is 123102131331209. The reversal of 123102131331201 is 102133131201321.

It is not a de Polignac number, because 123102131331201 - 2¹ = 123102131331199 is a prime.

It is a super-2 number, since 2×123102131331201² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123102131331209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826325080 + ... + 826474041.

It is an arithmetic number, because the mean of its divisors is an integer number (5840992097148).

Almost surely, 2^{123102131331201} is an apocalyptic number.

123102131331201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123102131331201 is a deficient number, since it is larger than the sum of its proper divisors (63809615777535).

123102131331201 is a wasteful number, since it uses less digits than its factorization.

123102131331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652799233.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 123102131331201 its reverse (102133131201321), we get a palindrome (225235262532522).

The spelling of 123102131331201 in words is "one hundred twenty-three trillion, one hundred two billion, one hundred thirty-one million, three hundred thirty-one thousand, two hundred one".