12097790452 has 96 divisors (see below), whose sum is σ = 24766156800. Its totient is φ = 5118422400.

The previous prime is 12097790449. The next prime is 12097790473. The reversal of 12097790452 is 25409779021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4333177 + ... + 4335967.

It is an arithmetic number, because the mean of its divisors is an integer number (257980800).

Almost surely, 2^12097790452 is an apocalyptic number.

It is an amenable number.

12097790452 is an abundant number, since it is smaller than the sum of its proper divisors (12668366348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12097790452 is a wasteful number, since it uses less digits than its factorization.

12097790452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957 (or 2955 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 12097790452 in words is "twelve billion, ninety-seven million, seven hundred ninety thousand, four hundred fifty-two".