12752008385 has 8 divisors (see below), whose sum is σ = 15386954856. Its totient is φ = 10145243520.

The previous prime is 12752008273. The next prime is 12752008391. The reversal of 12752008385 is 58380025721.

It can be written as a sum of positive squares in 4 ways, for example, as 676416064 + 12075592321 = 26008^2 + 109889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12752008385 - 2¹² = 12752004289 is a prime.

It is a super-2 number, since 2×12752008385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7044404 + ... + 7046213.

It is an arithmetic number, because the mean of its divisors is an integer number (1923369357).

Almost surely, 2^12752008385 is an apocalyptic number.

It is an amenable number.

12752008385 is a deficient number, since it is larger than the sum of its proper divisors (2634946471).

12752008385 is a wasteful number, since it uses less digits than its factorization.

12752008385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14090803.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 12752008385 in words is "twelve billion, seven hundred fifty-two million, eight thousand, three hundred eighty-five".