123044220111552 has 56 divisors (see below), whose sum is σ = 331072371940800. Its totient is φ = 40319574948096.

The previous prime is 123044220111541. The next prime is 123044220111613. The reversal of 123044220111552 is 255111022440321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5430965902 + ... + 5430988557.

It is an arithmetic number, because the mean of its divisors is an integer number (5912006641800).

Almost surely, 2^{123044220111552} is an apocalyptic number.

123044220111552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123044220111552 is an abundant number, since it is smaller than the sum of its proper divisors (208028151829248).

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

123044220111552 is a wasteful number, since it uses less digits than its factorization.

123044220111552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10861954533 (or 10861954523 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 123044220111552 its reverse (255111022440321), we get a palindrome (378155242551873).

The spelling of 123044220111552 in words is "one hundred twenty-three trillion, forty-four billion, two hundred twenty million, one hundred eleven thousand, five hundred fifty-two".