120197638752 has 24 divisors (see below), whose sum is σ = 315518801976. Its totient is φ = 40065879552.

The previous prime is 120197638721. The next prime is 120197638753. The reversal of 120197638752 is 257836791021.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 120197638695 and 120197638704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120197638753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626029273 + ... + 626029464.

It is an arithmetic number, because the mean of its divisors is an integer number (13146616749).

Almost surely, 2^120197638752 is an apocalyptic number.

120197638752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120197638752 is an abundant number, since it is smaller than the sum of its proper divisors (195321163224).

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

120197638752 is a wasteful number, since it uses less digits than its factorization.

120197638752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252058750 (or 1252058742 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 120197638752 in words is "one hundred twenty billion, one hundred ninety-seven million, six hundred thirty-eight thousand, seven hundred fifty-two".