12642046412 has 6 divisors (see below), whose sum is σ = 22123581228. Its totient is φ = 6321023204.

The previous prime is 12642046399. The next prime is 12642046423. The reversal of 12642046412 is 21464024621.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580255798 + ... + 1580255805.

It is an arithmetic number, because the mean of its divisors is an integer number (3687263538).

Almost surely, 2^12642046412 is an apocalyptic number.

It is an amenable number.

12642046412 is a deficient number, since it is larger than the sum of its proper divisors (9481534816).

12642046412 is a wasteful number, since it uses less digits than its factorization.

12642046412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160511607 (or 3160511605 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 12642046412 in words is "twelve billion, six hundred forty-two million, forty-six thousand, four hundred twelve".