12724697012 has 12 divisors (see below), whose sum is σ = 22270869600. Its totient is φ = 6361591416.

The previous prime is 12724697009. The next prime is 12724697021. The reversal of 12724697012 is 21079642721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150578 + ... + 219369.

It is an arithmetic number, because the mean of its divisors is an integer number (1855905800).

Almost surely, 2^12724697012 is an apocalyptic number.

It is an amenable number.

12724697012 is a deficient number, since it is larger than the sum of its proper divisors (9546172588).

12724697012 is a wasteful number, since it uses less digits than its factorization.

12724697012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378550 (or 378548 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 12724697012 in words is "twelve billion, seven hundred twenty-four million, six hundred ninety-seven thousand, twelve".