12124940412566 has 16 divisors (see below), whose sum is σ = 18192247351056. Its totient is φ = 6060858149376.

The previous prime is 12124940412551. The next prime is 12124940412617. The reversal of 12124940412566 is 66521404942121.

It is a self number, because there is not a number n which added to its sum of digits gives 12124940412566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167211230 + ... + 167283726.

It is an arithmetic number, because the mean of its divisors is an integer number (1137015459441).

Almost surely, 2^{12124940412566} is an apocalyptic number.

12124940412566 is a deficient number, since it is larger than the sum of its proper divisors (6067306938490).

12124940412566 is a wasteful number, since it uses less digits than its factorization.

12124940412566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93583.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 12124940412566 in words is "twelve trillion, one hundred twenty-four billion, nine hundred forty million, four hundred twelve thousand, five hundred sixty-six".