123221112310212 has 96 divisors (see below), whose sum is σ = 339213777444864. Its totient is φ = 34067894803200.

The previous prime is 123221112310199. The next prime is 123221112310229. The reversal of 123221112310212 is 212013211122321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34528887 + ... + 37930017.

It is an arithmetic number, because the mean of its divisors is an integer number (3533476848384).

Almost surely, 2^{123221112310212} is an apocalyptic number.

123221112310212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123221112310212 is an abundant number, since it is smaller than the sum of its proper divisors (215992665134652).

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

123221112310212 is a wasteful number, since it uses less digits than its factorization.

123221112310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415089 (or 3415087 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 123221112310212 its reverse (212013211122321), we get a palindrome (335234323432533).

The spelling of 123221112310212 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, one hundred twelve million, three hundred ten thousand, two hundred twelve".