123002444201021 has 16 divisors (see below), whose sum is σ = 153353969571840. Its totient is φ = 95845889850480.

The previous prime is 123002444200981. The next prime is 123002444201051. The reversal of 123002444201021 is 120102444200321.

It is not a de Polignac number, because 123002444201021 - 2⁴² = 118604397689917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123002444201051) 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, 58337240 + ... + 60408926.

It is an arithmetic number, because the mean of its divisors is an integer number (9584623098240).

Almost surely, 2^{123002444201021} is an apocalyptic number.

123002444201021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123002444201021 is a deficient number, since it is larger than the sum of its proper divisors (30351525370819).

123002444201021 is a wasteful number, since it uses less digits than its factorization.

123002444201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842784.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 123002444201021 its reverse (120102444200321), we get a palindrome (243104888401342).

The spelling of 123002444201021 in words is "one hundred twenty-three trillion, two billion, four hundred forty-four million, two hundred one thousand, twenty-one".