12120101199 has 20 divisors (see below), whose sum is σ = 18164348664. Its totient is φ = 8053731504.

The previous prime is 12120101179. The next prime is 12120101249. The reversal of 12120101199 is 99110102121.

It is not a de Polignac number, because 12120101199 - 2²¹ = 12118004047 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120101179) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 218832 + ... + 268565.

Almost surely, 2^12120101199 is an apocalyptic number.

12120101199 is a deficient number, since it is larger than the sum of its proper divisors (6044247465).

12120101199 is an equidigital number, since it uses as much as digits as its factorization.

12120101199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487716 (or 487707 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 12120101199 in words is "twelve billion, one hundred twenty million, one hundred one thousand, one hundred ninety-nine".