12165990594407 has 16 divisors (see below), whose sum is σ = 13549475170560. Its totient is φ = 10847793715200.

The previous prime is 12165990594383. The next prime is 12165990594451. The reversal of 12165990594407 is 70449509956121.

12165990594407 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 12165990594407 - 2¹⁴ = 12165990578023 is a prime.

It is a super-3 number, since 3×12165990594407³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12165990594407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12165990594487) 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, 27682682 + ... + 28118727.

It is an arithmetic number, because the mean of its divisors is an integer number (846842198160).

Almost surely, 2^{12165990594407} is an apocalyptic number.

12165990594407 is a deficient number, since it is larger than the sum of its proper divisors (1383484576153).

12165990594407 is a wasteful number, since it uses less digits than its factorization.

12165990594407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55801994.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 12165990594407 in words is "twelve trillion, one hundred sixty-five billion, nine hundred ninety million, five hundred ninety-four thousand, four hundred seven".