12099293672 has 16 divisors (see below), whose sum is σ = 22688104740. Its totient is φ = 6049132416.

The previous prime is 12099293621. The next prime is 12099293693. The reversal of 12099293672 is 27639299021.

It can be written as a sum of positive squares in 2 ways, for example, as 10033227556 + 2066066116 = 100166^2 + 45454^2 .

It is a super-2 number, since 2×12099293672² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12099293672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46988 + ... + 162500.

Almost surely, 2^12099293672 is an apocalyptic number.

It is an amenable number.

12099293672 is a deficient number, since it is larger than the sum of its proper divisors (10588811068).

12099293672 is a wasteful number, since it uses less digits than its factorization.

12099293672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128612 (or 128608 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 12099293672 in words is "twelve billion, ninety-nine million, two hundred ninety-three thousand, six hundred seventy-two".