120120012099 has 16 divisors (see below), whose sum is σ = 178085239200. Its totient is φ = 80021658528.

The previous prime is 120120012097. The next prime is 120120012137. The reversal of 120120012099 is 990210021021.

It is not a de Polignac number, because 120120012099 - 2¹ = 120120012097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120120012097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583064 + ... + 1657205.

It is an arithmetic number, because the mean of its divisors is an integer number (11130327450).

Almost surely, 2^120120012099 is an apocalyptic number.

120120012099 is a deficient number, since it is larger than the sum of its proper divisors (57965227101).

120120012099 is a wasteful number, since it uses less digits than its factorization.

120120012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241651 (or 3241645 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 120120012099 in words is "one hundred twenty billion, one hundred twenty million, twelve thousand, ninety-nine".