123200122120030 has 32 divisors (see below), whose sum is σ = 221956290043488. Its totient is φ = 49236481920000.

The previous prime is 123200122119989. The next prime is 123200122120051. The reversal of 123200122120030 is 30021221002321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242360109 + ... + 242867911.

It is an arithmetic number, because the mean of its divisors is an integer number (6936134063859).

Almost surely, 2^{123200122120030} is an apocalyptic number.

123200122120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123200122120030 is a deficient number, since it is larger than the sum of its proper divisors (98756167923458).

123200122120030 is a wasteful number, since it uses less digits than its factorization.

123200122120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529212.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123200122120030 its reverse (30021221002321), we get a palindrome (153221343122351).

The spelling of 123200122120030 in words is "one hundred twenty-three trillion, two hundred billion, one hundred twenty-two million, one hundred twenty thousand, thirty".