123044105542220 has 12 divisors (see below), whose sum is σ = 258392621638704. Its totient is φ = 49217642216880.

The previous prime is 123044105542181. The next prime is 123044105542231. The reversal of 123044105542220 is 22245501440321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3076102638536 + ... + 3076102638575.

It is an arithmetic number, because the mean of its divisors is an integer number (21532718469892).

Almost surely, 2^{123044105542220} is an apocalyptic number.

123044105542220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123044105542220 is an abundant number, since it is smaller than the sum of its proper divisors (135348516096484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123044105542220 is a wasteful number, since it uses less digits than its factorization.

123044105542220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152205277120 (or 6152205277118 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 123044105542220 its reverse (22245501440321), we get a palindrome (145289606982541).

The spelling of 123044105542220 in words is "one hundred twenty-three trillion, forty-four billion, one hundred five million, five hundred forty-two thousand, two hundred twenty".