10243646554012 has 12 divisors (see below), whose sum is σ = 17943437976856. Its totient is φ = 5116949989200.

The previous prime is 10243646553997. The next prime is 10243646554019. The reversal of 10243646554012 is 21045564634201.

It is a super-2 number, since 2×10243646554012² (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 10243646554012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243646554019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218317223 + ... + 1218325630.

Almost surely, 2^{10243646554012} is an apocalyptic number.

It is an amenable number.

10243646554012 is a deficient number, since it is larger than the sum of its proper divisors (7699791422844).

10243646554012 is a wasteful number, since it uses less digits than its factorization.

10243646554012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436643908 (or 2436643906 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 10243646554012 in words is "ten trillion, two hundred forty-three billion, six hundred forty-six million, five hundred fifty-four thousand, twelve".