123200121013203 has 16 divisors (see below), whose sum is σ = 176943508501760. Its totient is φ = 75797985955104.

The previous prime is 123200121013199. The next prime is 123200121013219. The reversal of 123200121013203 is 302310121002321.

It is not a de Polignac number, because 123200121013203 - 2² = 123200121013199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123200121013203.

It is not an unprimeable number, because it can be changed into a prime (123200121013223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363852151 + ... + 364190592.

It is an arithmetic number, because the mean of its divisors is an integer number (11058969281360).

Almost surely, 2^{123200121013203} is an apocalyptic number.

123200121013203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123200121013203 is a deficient number, since it is larger than the sum of its proper divisors (53743387488557).

123200121013203 is a wasteful number, since it uses less digits than its factorization.

123200121013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728047098.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123200121013203 its reverse (302310121002321), we get a palindrome (425510242015524).

The spelling of 123200121013203 in words is "one hundred twenty-three trillion, two hundred billion, one hundred twenty-one million, thirteen thousand, two hundred three".