12492881817346 has 32 divisors (see below), whose sum is σ = 21534061455360. Its totient is φ = 5324683545600.

The previous prime is 12492881817319. The next prime is 12492881817347. The reversal of 12492881817346 is 64371818829421.

12492881817346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12492881817346² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12492881817347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9775890 + ... + 10979698.

It is an arithmetic number, because the mean of its divisors is an integer number (672939420480).

Almost surely, 2^{12492881817346} is an apocalyptic number.

12492881817346 is a deficient number, since it is larger than the sum of its proper divisors (9041179638014).

12492881817346 is a wasteful number, since it uses less digits than its factorization.

12492881817346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207890.

The product of its digits is 37158912, while the sum is 64.

The spelling of 12492881817346 in words is "twelve trillion, four hundred ninety-two billion, eight hundred eighty-one million, eight hundred seventeen thousand, three hundred forty-six".