120135051637172 has 48 divisors (see below), whose sum is σ = 259990468785600. Its totient is φ = 47753351400960.

The previous prime is 120135051637151. The next prime is 120135051637277. The reversal of 120135051637172 is 271736150531021.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 5526997397 + ... + 5527019132.

It is an arithmetic number, because the mean of its divisors is an integer number (5416468099700).

Almost surely, 2^{120135051637172} is an apocalyptic number.

It is an amenable number.

120135051637172 is an abundant number, since it is smaller than the sum of its proper divisors (139855417148428).

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

120135051637172 is a wasteful number, since it uses less digits than its factorization.

120135051637172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054016576 (or 11054016574 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 120135051637172 in words is "one hundred twenty trillion, one hundred thirty-five billion, fifty-one million, six hundred thirty-seven thousand, one hundred seventy-two".