12090187073 has 4 divisors (see below), whose sum is σ = 12255806148. Its totient is φ = 11924568000.

The previous prime is 12090187069. The next prime is 12090187079. The reversal of 12090187073 is 37078109021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37078109021 = 13567 ⋅2732963.

It can be written as a sum of positive squares in 2 ways, for example, as 6956894464 + 5133292609 = 83408^2 + 71647^2 .

It is a cyclic number.

It is not a de Polignac number, because 12090187073 - 2² = 12090187069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12090187079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82809428 + ... + 82809573.

It is an arithmetic number, because the mean of its divisors is an integer number (3063951537).

Almost surely, 2^12090187073 is an apocalyptic number.

It is an amenable number.

12090187073 is a deficient number, since it is larger than the sum of its proper divisors (165619075).

12090187073 is an equidigital number, since it uses as much as digits as its factorization.

12090187073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165619074.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 12090187073 in words is "twelve billion, ninety million, one hundred eighty-seven thousand, seventy-three".