12592217542 has 32 divisors (see below), whose sum is σ = 19692097920. Its totient is φ = 6031751040.

The previous prime is 12592217483. The next prime is 12592217549. The reversal of 12592217542 is 24571229521.

It is a junction number, because it is equal to n+sod(n) for n = 12592217495 and 12592217504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12592217549) 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, 4923328 + ... + 4925884.

It is an arithmetic number, because the mean of its divisors is an integer number (615378060).

Almost surely, 2^12592217542 is an apocalyptic number.

12592217542 is a deficient number, since it is larger than the sum of its proper divisors (7099880378).

12592217542 is a wasteful number, since it uses less digits than its factorization.

12592217542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its digits is 100800, while the sum is 40.

The spelling of 12592217542 in words is "twelve billion, five hundred ninety-two million, two hundred seventeen thousand, five hundred forty-two".