123123203221010 has 32 divisors (see below), whose sum is σ = 227393939606400. Its totient is φ = 47970457107840.

The previous prime is 123123203220991. The next prime is 123123203221063. The reversal of 123123203221010 is 10122302321321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242315270 + ... + 242822849.

It is an arithmetic number, because the mean of its divisors is an integer number (7106060612700).

Almost surely, 2^{123123203221010} is an apocalyptic number.

123123203221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123123203221010 is a deficient number, since it is larger than the sum of its proper divisors (104270736385390).

123123203221010 is a wasteful number, since it uses less digits than its factorization.

123123203221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485138786.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123123203221010 its reverse (10122302321321), we get a palindrome (133245505542331).

The spelling of 123123203221010 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred three million, two hundred twenty-one thousand, ten".