12090297872 has 10 divisors (see below), whose sum is σ = 23424952158. Its totient is φ = 6045148928.

The previous prime is 12090297839. The next prime is 12090297883. The reversal of 12090297872 is 27879209021.

It can be written as a sum of positive squares in only one way, i.e., 6090865936 + 5999431936 = 78044^2 + 77456^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377821793 + ... + 377821824.

Almost surely, 2^12090297872 is an apocalyptic number.

It is an amenable number.

12090297872 is a deficient number, since it is larger than the sum of its proper divisors (11334654286).

12090297872 is an equidigital number, since it uses as much as digits as its factorization.

12090297872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755643625 (or 755643619 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 12090297872 in words is "twelve billion, ninety million, two hundred ninety-seven thousand, eight hundred seventy-two".