12517723412 has 48 divisors (see below), whose sum is σ = 24168291840. Its totient is φ = 5646481632.

The previous prime is 12517723409. The next prime is 12517723451. The reversal of 12517723412 is 21432771521.

It is a super-3 number, since 3×12517723412³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381023 + ... + 412569.

It is an arithmetic number, because the mean of its divisors is an integer number (503506080).

Almost surely, 2^12517723412 is an apocalyptic number.

It is an amenable number.

12517723412 is a deficient number, since it is larger than the sum of its proper divisors (11650568428).

12517723412 is a wasteful number, since it uses less digits than its factorization.

12517723412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31820 (or 31818 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The spelling of 12517723412 in words is "twelve billion, five hundred seventeen million, seven hundred twenty-three thousand, four hundred twelve".