12021583246412 has 48 divisors (see below), whose sum is σ = 21732306946560. Its totient is φ = 5815682588352.

The previous prime is 12021583246399. The next prime is 12021583246423. The reversal of 12021583246412 is 21464238512021.

It is a super-2 number, since 2×12021583246412² (a number of 27 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 12021583246412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13416623 + ... + 14284569.

It is an arithmetic number, because the mean of its divisors is an integer number (452756394720).

Almost surely, 2^{12021583246412} is an apocalyptic number.

It is an amenable number.

12021583246412 is a deficient number, since it is larger than the sum of its proper divisors (9710723700148).

12021583246412 is a wasteful number, since it uses less digits than its factorization.

12021583246412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868910 (or 868908 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 12021583246412 in words is "twelve trillion, twenty-one billion, five hundred eighty-three million, two hundred forty-six thousand, four hundred twelve".