12090272499 has 6 divisors (see below), whose sum is σ = 17463726956. Its totient is φ = 8060181660.

The previous prime is 12090272473. The next prime is 12090272501. The reversal of 12090272499 is 99427209021.

12090272499 is a `hidden beast` number, since 1 + 2 + 0 + 90 + 2 + 72 + 499 = 666.

It is not a de Polignac number, because 12090272499 - 2⁷ = 12090272371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12090272899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 671681797 + ... + 671681814.

Almost surely, 2^12090272499 is an apocalyptic number.

12090272499 is a deficient number, since it is larger than the sum of its proper divisors (5373454457).

12090272499 is a wasteful number, since it uses less digits than its factorization.

12090272499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343363617 (or 1343363614 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 12090272499 in words is "twelve billion, ninety million, two hundred seventy-two thousand, four hundred ninety-nine".