120492978196 has 12 divisors (see below), whose sum is σ = 210875505652. Its totient is φ = 60242833728.

The previous prime is 120492978191. The next prime is 120492978209. The reversal of 120492978196 is 691879294021.

It can be written as a sum of positive squares in 2 ways, for example, as 10955808900 + 109537169296 = 104670^2 + 330964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120492978196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120492978191) 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, 838995 + ... + 972058.

Almost surely, 2^120492978196 is an apocalyptic number.

It is an amenable number.

120492978196 is a deficient number, since it is larger than the sum of its proper divisors (90382527456).

120492978196 is a wasteful number, since it uses less digits than its factorization.

120492978196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827690 (or 1827688 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 120492978196 in words is "one hundred twenty billion, four hundred ninety-two million, nine hundred seventy-eight thousand, one hundred ninety-six".