12579498850 has 12 divisors (see below), whose sum is σ = 23397867954. Its totient is φ = 5031799520.

The previous prime is 12579498839. The next prime is 12579498851. The reversal of 12579498850 is 5889497521.

It can be written as a sum of positive squares in 3 ways, for example, as 12225946041 + 353552809 = 110571^2 + 18803^2 .

It is not an unprimeable number, because it can be changed into a prime (12579498851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125794939 + ... + 125795038.

Almost surely, 2^12579498850 is an apocalyptic number.

12579498850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12579498850 is a deficient number, since it is larger than the sum of its proper divisors (10818369104).

12579498850 is a wasteful number, since it uses less digits than its factorization.

12579498850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251589989 (or 251589984 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 12579498850 in words is "twelve billion, five hundred seventy-nine million, four hundred ninety-eight thousand, eight hundred fifty".