12090787161 has 16 divisors (see below), whose sum is σ = 16975722240. Its totient is φ = 7633498320.

The previous prime is 12090787153. The next prime is 12090787193. The reversal of 12090787161 is 16178709021.

It is not a de Polignac number, because 12090787161 - 2³ = 12090787153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12090787151) 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, 124746 + ... + 199356.

It is an arithmetic number, because the mean of its divisors is an integer number (1060982640).

Almost surely, 2^12090787161 is an apocalyptic number.

It is an amenable number.

12090787161 is a deficient number, since it is larger than the sum of its proper divisors (4884935079).

12090787161 is a wasteful number, since it uses less digits than its factorization.

12090787161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77476.

The product of its (nonzero) digits is 42336, while the sum is 42.

The spelling of 12090787161 in words is "twelve billion, ninety million, seven hundred eighty-seven thousand, one hundred sixty-one".