120780278366 has 16 divisors (see below), whose sum is σ = 197648210160. Its totient is φ = 54897972480.

The previous prime is 120780278363. The next prime is 120780278371. The reversal of 120780278366 is 663872087021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120780278363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556880 + ... + 742748.

It is an arithmetic number, because the mean of its divisors is an integer number (12353013135).

Almost surely, 2^120780278366 is an apocalyptic number.

120780278366 is a deficient number, since it is larger than the sum of its proper divisors (76867931794).

120780278366 is a wasteful number, since it uses less digits than its factorization.

120780278366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215419.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 120780278366 in words is "one hundred twenty billion, seven hundred eighty million, two hundred seventy-eight thousand, three hundred sixty-six".