12747343119 has 16 divisors (see below), whose sum is σ = 19949511168. Its totient is φ = 7087325472.

The previous prime is 12747343109. The next prime is 12747343157. The reversal of 12747343119 is 91134374721.

It is a happy number.

It is not a de Polignac number, because 12747343119 - 2⁹ = 12747342607 is a prime.

It is a super-2 number, since 2×12747343119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747343109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8202147 + ... + 8203700.

It is an arithmetic number, because the mean of its divisors is an integer number (1246844448).

Almost surely, 2^12747343119 is an apocalyptic number.

12747343119 is a deficient number, since it is larger than the sum of its proper divisors (7202168049).

12747343119 is a wasteful number, since it uses less digits than its factorization.

12747343119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405894.

The product of its digits is 127008, while the sum is 42.

The spelling of 12747343119 in words is "twelve billion, seven hundred forty-seven million, three hundred forty-three thousand, one hundred nineteen".