12918612093724 has 12 divisors (see below), whose sum is σ = 22644212288544. Its totient is φ = 6448837154144.

The previous prime is 12918612093721. The next prime is 12918612093787. The reversal of 12918612093724 is 42739021681921.

It is a super-2 number, since 2×12918612093724² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12918612093721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617220404 + ... + 2617225339.

It is an arithmetic number, because the mean of its divisors is an integer number (1887017690712).

Almost surely, 2^{12918612093724} is an apocalyptic number.

It is an amenable number.

12918612093724 is a deficient number, since it is larger than the sum of its proper divisors (9725600194820).

12918612093724 is a wasteful number, since it uses less digits than its factorization.

12918612093724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234446364 (or 5234446362 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 12918612093724 in words is "twelve trillion, nine hundred eighteen billion, six hundred twelve million, ninety-three thousand, seven hundred twenty-four".