123001020113210 has 32 divisors (see below), whose sum is σ = 226810136874384. Its totient is φ = 47998650816000.

The previous prime is 123001020113203. The next prime is 123001020113221. The reversal of 123001020113210 is 12311020100321.

It can be written as a sum of positive squares in 8 ways, for example, as 36517957774081 + 86483062339129 = 6043009^2 + 9299627^2 .

It is a super-2 number, since 2×123001020113210² (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 15 ways as a sum of consecutive naturals, for example, 5845340 + ... + 16738280.

Almost surely, 2^{123001020113210} is an apocalyptic number.

123001020113210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123001020113210 is a deficient number, since it is larger than the sum of its proper divisors (103809116761174).

123001020113210 is a wasteful number, since it uses less digits than its factorization.

123001020113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920530.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123001020113210 its reverse (12311020100321), we get a palindrome (135312040213531).

The spelling of 123001020113210 in words is "one hundred twenty-three trillion, one billion, twenty million, one hundred thirteen thousand, two hundred ten".