12099378572 has 6 divisors (see below), whose sum is σ = 21173912508. Its totient is φ = 6049689284.

The previous prime is 12099378553. The next prime is 12099378587. The reversal of 12099378572 is 27587399021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512422318 + ... + 1512422325.

It is an arithmetic number, because the mean of its divisors is an integer number (3528985418).

Almost surely, 2^12099378572 is an apocalyptic number.

It is an amenable number.

12099378572 is a deficient number, since it is larger than the sum of its proper divisors (9074533936).

12099378572 is a wasteful number, since it uses less digits than its factorization.

12099378572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024844647 (or 3024844645 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 12099378572 in words is "twelve billion, ninety-nine million, three hundred seventy-eight thousand, five hundred seventy-two".