120123303312 has 20 divisors (see below), whose sum is σ = 310318533680. Its totient is φ = 40041101088.

The previous prime is 120123303257. The next prime is 120123303323. The reversal of 120123303312 is 213303321021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251284362 + ... + 1251284457.

It is an arithmetic number, because the mean of its divisors is an integer number (15515926684).

Almost surely, 2^120123303312 is an apocalyptic number.

120123303312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120123303312 is an abundant number, since it is smaller than the sum of its proper divisors (190195230368).

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

120123303312 is a wasteful number, since it uses less digits than its factorization.

120123303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502568830 (or 2502568824 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120123303312 its reverse (213303321021), we get a palindrome (333426624333).

The spelling of 120123303312 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred three thousand, three hundred twelve".