12120664839399 has 12 divisors (see below), whose sum is σ = 17635419889776. Its totient is φ = 8021461888032.

The previous prime is 12120664839317. The next prime is 12120664839403. The reversal of 12120664839399 is 99393846602121.

12120664839399 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 0 + 66 + 483 + 9 + 3 + 99 = 666.

12120664839399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12120664839399 - 2²⁸ = 12120396403943 is a prime.

It is a super-2 number, since 2×12120664839399² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120664839599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4915110219 + ... + 4915112684.

It is an arithmetic number, because the mean of its divisors is an integer number (1469618324148).

Almost surely, 2^{12120664839399} is an apocalyptic number.

12120664839399 is a deficient number, since it is larger than the sum of its proper divisors (5514755050377).

12120664839399 is a wasteful number, since it uses less digits than its factorization.

12120664839399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830223046 (or 9830223043 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 12120664839399 in words is "twelve trillion, one hundred twenty billion, six hundred sixty-four million, eight hundred thirty-nine thousand, three hundred ninety-nine".