120668131780672 has 28 divisors (see below), whose sum is σ = 273658084575040. Its totient is φ = 51714913620096.

The previous prime is 120668131780667. The next prime is 120668131780699. The reversal of 120668131780672 is 276087131866021.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134674253772 + ... + 134674254667.

Almost surely, 2^{120668131780672} is an apocalyptic number.

It is an amenable number.

120668131780672 is an abundant number, since it is smaller than the sum of its proper divisors (152989952794368).

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

120668131780672 is an equidigital number, since it uses as much as digits as its factorization.

120668131780672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269348508458 (or 269348508448 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 120668131780672 in words is "one hundred twenty trillion, six hundred sixty-eight billion, one hundred thirty-one million, seven hundred eighty thousand, six hundred seventy-two".