120765707137650 has 48 divisors (see below), whose sum is σ = 315262056535200. Its totient is φ = 30509231276160.

The previous prime is 120765707137619. The next prime is 120765707137681. The reversal of 120765707137650 is 56731707567021.

It is an interprime number because it is at equal distance from previous prime (120765707137619) and next prime (120765707137681).

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 21186963315 + ... + 21186969014.

It is an arithmetic number, because the mean of its divisors is an integer number (6567959511150).

Almost surely, 2^{120765707137650} is an apocalyptic number.

120765707137650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120765707137650 is an abundant number, since it is smaller than the sum of its proper divisors (194496349397550).

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

120765707137650 is a wasteful number, since it uses less digits than its factorization.

120765707137650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42373932363 (or 42373932358 counting only the distinct ones).

The product of its (nonzero) digits is 12965400, while the sum is 57.

The spelling of 120765707137650 in words is "one hundred twenty trillion, seven hundred sixty-five billion, seven hundred seven million, one hundred thirty-seven thousand, six hundred fifty".