10642644513212 has 12 divisors (see below), whose sum is σ = 18638748171120. Its totient is φ = 5317287892896.

The previous prime is 10642644513211. The next prime is 10642644513257. The reversal of 10642644513212 is 21231544624601.

It is a super-2 number, since 2×10642644513212² (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 10642644513212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642644513211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008584993 + ... + 1008595544.

It is an arithmetic number, because the mean of its divisors is an integer number (1553229014260).

Almost surely, 2^{10642644513212} is an apocalyptic number.

It is an amenable number.

10642644513212 is a deficient number, since it is larger than the sum of its proper divisors (7996103657908).

10642644513212 is a wasteful number, since it uses less digits than its factorization.

10642644513212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017181860 (or 2017181858 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 10642644513212 in words is "ten trillion, six hundred forty-two billion, six hundred forty-four million, five hundred thirteen thousand, two hundred twelve".