123120320230212 has 48 divisors (see below), whose sum is σ = 292752870338880. Its totient is φ = 40258648579968.

The previous prime is 123120320230207. The next prime is 123120320230289. The reversal of 123120320230212 is 212032023021321.

It is a super-2 number, since 2×123120320230212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13505083 + ... + 20703330.

It is an arithmetic number, because the mean of its divisors is an integer number (6099018132060).

Almost surely, 2^{123120320230212} is an apocalyptic number.

123120320230212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123120320230212 is an abundant number, since it is smaller than the sum of its proper divisors (169632550108668).

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

123120320230212 is a wasteful number, since it uses less digits than its factorization.

123120320230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34214132 (or 34214130 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123120320230212 its reverse (212032023021321), we get a palindrome (335152343251533).

The spelling of 123120320230212 in words is "one hundred twenty-three trillion, one hundred twenty billion, three hundred twenty million, two hundred thirty thousand, two hundred twelve".