123012223122 has 32 divisors (see below), whose sum is σ = 246299644800. Its totient is φ = 40958241408.

The previous prime is 123012223063. The next prime is 123012223219. The reversal of 123012223122 is 221322210321.

It is a super-2 number, since 2×123012223122² (a number of 23 digits) contains 22 as substring.

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, 37061379 + ... + 37064697.

It is an arithmetic number, because the mean of its divisors is an integer number (7696863900).

Almost surely, 2^123012223122 is an apocalyptic number.

123012223122 is an abundant number, since it is smaller than the sum of its proper divisors (123287421678).

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

123012223122 is a wasteful number, since it uses less digits than its factorization.

123012223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123012223122 its reverse (221322210321), we get a palindrome (344334433443).

The spelling of 123012223122 in words is "one hundred twenty-three billion, twelve million, two hundred twenty-three thousand, one hundred twenty-two".