12247763885 has 12 divisors (see below), whose sum is σ = 17096878908. Its totient is φ = 8398466496.

The previous prime is 12247763873. The next prime is 12247763903. The reversal of 12247763885 is 58836774221.

It can be written as a sum of positive squares in 2 ways, for example, as 2474266564 + 9773497321 = 49742^2 + 98861^2 .

It is not a de Polignac number, because 12247763885 - 2⁸ = 12247763629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24995192 + ... + 24995681.

It is an arithmetic number, because the mean of its divisors is an integer number (1424739909).

Almost surely, 2^12247763885 is an apocalyptic number.

It is an amenable number.

12247763885 is a deficient number, since it is larger than the sum of its proper divisors (4849115023).

12247763885 is an equidigital number, since it uses as much as digits as its factorization.

12247763885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49990892 (or 49990885 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 53.

The spelling of 12247763885 in words is "twelve billion, two hundred forty-seven million, seven hundred sixty-three thousand, eight hundred eighty-five".