12719499272 has 8 divisors (see below), whose sum is σ = 23849061150. Its totient is φ = 6359749632.

The previous prime is 12719499269. The next prime is 12719499319. The reversal of 12719499272 is 27299491721.

It can be written as a sum of positive squares in only one way, i.e., 12707151076 + 12348196 = 112726^2 + 3514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794968697 + ... + 794968712.

Almost surely, 2^12719499272 is an apocalyptic number.

It is an amenable number.

12719499272 is a deficient number, since it is larger than the sum of its proper divisors (11129561878).

12719499272 is a wasteful number, since it uses less digits than its factorization.

12719499272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589937415 (or 1589937411 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 53.

The spelling of 12719499272 in words is "twelve billion, seven hundred nineteen million, four hundred ninety-nine thousand, two hundred seventy-two".