12320063772 has 48 divisors (see below), whose sum is σ = 29946470400. Its totient is φ = 3937740480.

The previous prime is 12320063759. The next prime is 12320063797. The reversal of 12320063772 is 27736002321.

It is a super-2 number, since 2×12320063772² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 111372 + ... + 192467.

It is an arithmetic number, because the mean of its divisors is an integer number (623884800).

Almost surely, 2^12320063772 is an apocalyptic number.

12320063772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12320063772 is an abundant number, since it is smaller than the sum of its proper divisors (17626406628).

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

12320063772 is a wasteful number, since it uses less digits than its factorization.

12320063772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303986 (or 303984 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 12320063772 in words is "twelve billion, three hundred twenty million, sixty-three thousand, seven hundred seventy-two".