12120370638700 has 72 divisors (see below), whose sum is σ = 26326463873472. Its totient is φ = 4843494511680.

The previous prime is 12120370638697. The next prime is 12120370638721. The reversal of 12120370638700 is 783607302121.

It is a happy number.

It is a super-2 number, since 2×12120370638700² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472203267 + ... + 472228933.

It is an arithmetic number, because the mean of its divisors is an integer number (365645331576).

Almost surely, 2^{12120370638700} is an apocalyptic number.

12120370638700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120370638700 is an abundant number, since it is smaller than the sum of its proper divisors (14206093234772).

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

12120370638700 is a wasteful number, since it uses less digits than its factorization.

12120370638700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30031 (or 30024 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 12120370638700 in words is "twelve trillion, one hundred twenty billion, three hundred seventy million, six hundred thirty-eight thousand, seven hundred".