12678532124522 has 64 divisors (see below), whose sum is σ = 21486887428608. Its totient is φ = 5560759296000.

The previous prime is 12678532124507. The next prime is 12678532124561. The reversal of 12678532124522 is 22542123587621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33299258 + ... + 33677850.

It is an arithmetic number, because the mean of its divisors is an integer number (335732616072).

Almost surely, 2^{12678532124522} is an apocalyptic number.

12678532124522 is a deficient number, since it is larger than the sum of its proper divisors (8808355304086).

12678532124522 is a wasteful number, since it uses less digits than its factorization.

12678532124522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379055.

The product of its digits is 3225600, while the sum is 50.

The spelling of 12678532124522 in words is "twelve trillion, six hundred seventy-eight billion, five hundred thirty-two million, one hundred twenty-four thousand, five hundred twenty-two".