12783722552 has 32 divisors (see below), whose sum is σ = 25024982400. Its totient is φ = 6110690784.

The previous prime is 12783722537. The next prime is 12783722563. The reversal of 12783722552 is 25522738721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346583 + ... + 381689.

It is an arithmetic number, because the mean of its divisors is an integer number (782030700).

Almost surely, 2^12783722552 is an apocalyptic number.

It is an amenable number.

12783722552 is a deficient number, since it is larger than the sum of its proper divisors (12241259848).

12783722552 is a wasteful number, since it uses less digits than its factorization.

12783722552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37115 (or 37111 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The spelling of 12783722552 in words is "twelve billion, seven hundred eighty-three million, seven hundred twenty-two thousand, five hundred fifty-two".