120689907792 has 80 divisors (see below), whose sum is σ = 321954060288. Its totient is φ = 38918401920.

The previous prime is 120689907787. The next prime is 120689907803. The reversal of 120689907792 is 297709986021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4693723 + ... + 4719365.

Almost surely, 2^120689907792 is an apocalyptic number.

120689907792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120689907792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160977030144).

120689907792 is an abundant number, since it is smaller than the sum of its proper divisors (201264152496).

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

120689907792 is a wasteful number, since it uses less digits than its factorization.

120689907792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28848 (or 28842 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 60.

The spelling of 120689907792 in words is "one hundred twenty billion, six hundred eighty-nine million, nine hundred seven thousand, seven hundred ninety-two".