123222121132 has 48 divisors (see below), whose sum is σ = 241209061632. Its totient is φ = 54594751680.

The previous prime is 123222121097. The next prime is 123222121177. The reversal of 123222121132 is 231121222321.

It is a super-2 number, since 2×123222121132² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 854538 + ... + 988270.

It is an arithmetic number, because the mean of its divisors is an integer number (5025188784).

Almost surely, 2^123222121132 is an apocalyptic number.

It is an amenable number.

123222121132 is a deficient number, since it is larger than the sum of its proper divisors (117986940500).

123222121132 is a wasteful number, since it uses less digits than its factorization.

123222121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134278 (or 134276 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 123222121132 its reverse (231121222321), we get a palindrome (354343343453).

The spelling of 123222121132 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty-two".