12801679125 has 16 divisors (see below), whose sum is σ = 21301994688. Its totient is φ = 6827562000.

The previous prime is 12801679123. The next prime is 12801679193. The reversal of 12801679125 is 52197610821.

It is not a de Polignac number, because 12801679125 - 2¹ = 12801679123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801679123) 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, 17068531 + ... + 17069280.

It is an arithmetic number, because the mean of its divisors is an integer number (1331374668).

Almost surely, 2^12801679125 is an apocalyptic number.

12801679125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12801679125 is a deficient number, since it is larger than the sum of its proper divisors (8500315563).

12801679125 is an equidigital number, since it uses as much as digits as its factorization.

12801679125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34137829 (or 34137819 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 12801679125 in words is "twelve billion, eight hundred one million, six hundred seventy-nine thousand, one hundred twenty-five".