12748938117 has 16 divisors (see below), whose sum is σ = 17942031360. Its totient is φ = 8030007792.

The previous prime is 12748938073. The next prime is 12748938127. The reversal of 12748938117 is 71183984721.

It is not a de Polignac number, because 12748938117 - 2¹⁰ = 12748937093 is a prime.

It is a super-2 number, since 2×12748938117² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12748938117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12748938127) 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, 283803 + ... + 325640.

It is an arithmetic number, because the mean of its divisors is an integer number (1121376960).

Almost surely, 2^12748938117 is an apocalyptic number.

It is an amenable number.

12748938117 is a deficient number, since it is larger than the sum of its proper divisors (5193093243).

12748938117 is a wasteful number, since it uses less digits than its factorization.

12748938117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609832.

The product of its digits is 677376, while the sum is 51.

The spelling of 12748938117 in words is "twelve billion, seven hundred forty-eight million, nine hundred thirty-eight thousand, one hundred seventeen".