123222121012210 has 128 divisors (see below), whose sum is σ = 253016897384448. Its totient is φ = 42769409760000.

The previous prime is 123222121012181. The next prime is 123222121012247. The reversal of 123222121012210 is 12210121222321.

It is a super-2 number, since 2×123222121012210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3188051385 + ... + 3188090035.

It is an arithmetic number, because the mean of its divisors is an integer number (1976694510816).

Almost surely, 2^{123222121012210} is an apocalyptic number.

123222121012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123222121012210 is an abundant number, since it is smaller than the sum of its proper divisors (129794776372238).

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

123222121012210 is a wasteful number, since it uses less digits than its factorization.

123222121012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41320.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 123222121012210 its reverse (12210121222321), we get a palindrome (135432242234531).

The spelling of 123222121012210 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one hundred twenty-one million, twelve thousand, two hundred ten".