120955679999 has 48 divisors (see below), whose sum is σ = 165101475840. Its totient is φ = 86409892800.

The previous prime is 120955679987. The next prime is 120955680023. The reversal of 120955679999 is 999976559021.

It is not a de Polignac number, because 120955679999 - 2⁸ = 120955679743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120955679909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377657 + ... + 620109.

It is an arithmetic number, because the mean of its divisors is an integer number (3439614080).

Almost surely, 2^120955679999 is an apocalyptic number.

120955679999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120955679999 is a deficient number, since it is larger than the sum of its proper divisors (44145795841).

120955679999 is a wasteful number, since it uses less digits than its factorization.

120955679999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242532 (or 242521 counting only the distinct ones).

The product of its (nonzero) digits is 124002900, while the sum is 71.

The spelling of 120955679999 in words is "one hundred twenty billion, nine hundred fifty-five million, six hundred seventy-nine thousand, nine hundred ninety-nine".