12746249831025 has 120 divisors (see below), whose sum is σ = 25580693739744. Its totient is φ = 6249323404800.

The previous prime is 12746249830933. The next prime is 12746249831041. The reversal of 12746249831025 is 52013894264721.

It is a happy number.

12746249831025 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 624 + 9 + 8 + 3 + 1 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 12746249831025 - 2²⁴ = 12746233053809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2825091 + ... + 5785640.

It is a 1-persistent number, because it is pandigital, but 2⋅12746249831025 = 25492499662050 is not.

Almost surely, 2^{12746249831025} is an apocalyptic number.

12746249831025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12746249831025 is an abundant number, since it is smaller than the sum of its proper divisors (12834443908719).

12746249831025 is a wasteful number, since it uses less digits than its factorization.

12746249831025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610813 (or 8610799 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 12746249831025 in words is "twelve trillion, seven hundred forty-six billion, two hundred forty-nine million, eight hundred thirty-one thousand, twenty-five".