12788641207 has 4 divisors (see below), whose sum is σ = 12880645960. Its totient is φ = 12696636456.

The previous prime is 12788641199. The next prime is 12788641253. The reversal of 12788641207 is 70214688721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12788641207 - 2³ = 12788641199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12788641007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46002168 + ... + 46002445.

It is an arithmetic number, because the mean of its divisors is an integer number (3220161490).

Almost surely, 2^12788641207 is an apocalyptic number.

12788641207 is a deficient number, since it is larger than the sum of its proper divisors (92004753).

12788641207 is an equidigital number, since it uses as much as digits as its factorization.

12788641207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92004752.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 12788641207 in words is "twelve billion, seven hundred eighty-eight million, six hundred forty-one thousand, two hundred seven".