12790193490244 has 81 divisors (see below), whose sum is σ = 23374221209157. Its totient is φ = 6123606198528.

The previous prime is 12790193490233. The next prime is 12790193490247. The reversal of 12790193490244 is 44209439109721.

The square root of 12790193490244 is 3576338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 6884127032644 + 5906066457600 = 2623762^2 + 2430240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12790193490247) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40863237832 + ... + 40863238144.

Almost surely, 2^{12790193490244} is an apocalyptic number.

12790193490244 is the 3576338-th square number.

It is an amenable number.

12790193490244 is a deficient number, since it is larger than the sum of its proper divisors (10584027718913).

12790193490244 is an frugal number, since it uses more digits than its factorization.

12790193490244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 12790193490244 in words is "twelve trillion, seven hundred ninety billion, one hundred ninety-three million, four hundred ninety thousand, two hundred forty-four".