12081574012 has 12 divisors (see below), whose sum is σ = 21143570616. Its totient is φ = 6040553840.

The previous prime is 12081574009. The next prime is 12081574027. The reversal of 12081574012 is 21047518021.

It is a super-2 number, since 2×12081574012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 116583 + ... + 194305.

It is an arithmetic number, because the mean of its divisors is an integer number (1761964218).

Almost surely, 2^12081574012 is an apocalyptic number.

It is an amenable number.

12081574012 is a deficient number, since it is larger than the sum of its proper divisors (9061996604).

12081574012 is a wasteful number, since it uses less digits than its factorization.

12081574012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116588 (or 116586 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The spelling of 12081574012 in words is "twelve billion, eighty-one million, five hundred seventy-four thousand, twelve".