120988165729280 has 44 divisors (see below), whose sum is σ = 290229814755840. Its totient is φ = 48395266289664.

The previous prime is 120988165729247. The next prime is 120988165729289. The reversal of 120988165729280 is 82927561889021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120988165729280.

It is not an unprimeable number, because it can be changed into a prime (120988165729289) 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, 11815245440 + ... + 11815255679.

Almost surely, 2^{120988165729280} is an apocalyptic number.

120988165729280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120988165729280 is an abundant number, since it is smaller than the sum of its proper divisors (169241649026560).

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

120988165729280 is an equidigital number, since it uses as much as digits as its factorization.

120988165729280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23630501144 (or 23630501126 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 68.

The spelling of 120988165729280 in words is "one hundred twenty trillion, nine hundred eighty-eight billion, one hundred sixty-five million, seven hundred twenty-nine thousand, two hundred eighty".