10646000012 has 12 divisors (see below), whose sum is σ = 18642061536. Its totient is φ = 5319696720.

The previous prime is 10646000009. The next prime is 10646000039. The reversal of 10646000012 is 21000064601.

It is a happy number.

It is a super-2 number, since 2×10646000012² (a number of 21 digits) contains 22 as substring.

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, 818564 + ... + 831467.

It is an arithmetic number, because the mean of its divisors is an integer number (1553505128).

Almost surely, 2^10646000012 is an apocalyptic number.

It is an amenable number.

10646000012 is a deficient number, since it is larger than the sum of its proper divisors (7996061524).

10646000012 is a wasteful number, since it uses less digits than its factorization.

10646000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651648 (or 1651646 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10646000012 its reverse (21000064601), we get a palindrome (31646064613).

The spelling of 10646000012 in words is "ten billion, six hundred forty-six million, twelve", and thus it is an aban number.