123303200021211 has 16 divisors (see below), whose sum is σ = 187890915744000. Its totient is φ = 70458849477408.

The previous prime is 123303200021207. The next prime is 123303200021213. The reversal of 123303200021211 is 112120002303321.

It is not a de Polignac number, because 123303200021211 - 2² = 123303200021207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (123303200021213) 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, 8138740 + ... + 17687438.

It is an arithmetic number, because the mean of its divisors is an integer number (11743182234000).

Almost surely, 2^{123303200021211} is an apocalyptic number.

123303200021211 is a deficient number, since it is larger than the sum of its proper divisors (64587715722789).

123303200021211 is an equidigital number, since it uses as much as digits as its factorization.

123303200021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163618.

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

Adding to 123303200021211 its reverse (112120002303321), we get a palindrome (235423202324532).

The spelling of 123303200021211 in words is "one hundred twenty-three trillion, three hundred three billion, two hundred million, twenty-one thousand, two hundred eleven".