123123202112202 has 16 divisors (see below), whose sum is σ = 247496385974112. Its totient is φ = 40832737079120.

The previous prime is 123123202112201. The next prime is 123123202112221. The reversal of 123123202112202 is 202211202321321.

It is not an unprimeable number, because it can be changed into a prime (123123202112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52082571624 + ... + 52082573987.

It is an arithmetic number, because the mean of its divisors is an integer number (15468524123382).

Almost surely, 2^{123123202112202} is an apocalyptic number.

123123202112202 is an abundant number, since it is smaller than the sum of its proper divisors (124373183861910).

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

123123202112202 is a wasteful number, since it uses less digits than its factorization.

123123202112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104165145813.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123123202112202 its reverse (202211202321321), we get a palindrome (325334404433523).

The spelling of 123123202112202 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred two million, one hundred twelve thousand, two hundred two".