12643000612826 has 32 divisors (see below), whose sum is σ = 19683483770880. Its totient is φ = 6084088617600.

The previous prime is 12643000612819. The next prime is 12643000612859. The reversal of 12643000612826 is 62821600034621.

It is a super-2 number, since 2×12643000612826² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49953590 + ... + 50206046.

It is an arithmetic number, because the mean of its divisors is an integer number (615108867840).

Almost surely, 2^{12643000612826} is an apocalyptic number.

12643000612826 is a deficient number, since it is larger than the sum of its proper divisors (7040483158054).

12643000612826 is a wasteful number, since it uses less digits than its factorization.

12643000612826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256910.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 12643000612826 in words is "twelve trillion, six hundred forty-three billion, six hundred twelve thousand, eight hundred twenty-six".