1208256720772 has 12 divisors (see below), whose sum is σ = 2225736064720. Its totient is φ = 572332130856.

The previous prime is 1208256720751. The next prime is 1208256720773. The reversal of 1208256720772 is 2770276528021.

It is not an unprimeable number, because it can be changed into a prime (1208256720773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7949057298 + ... + 7949057449.

Almost surely, 2^{1208256720772} is an apocalyptic number.

It is an amenable number.

1208256720772 is a deficient number, since it is larger than the sum of its proper divisors (1017479343948).

1208256720772 is a wasteful number, since it uses less digits than its factorization.

1208256720772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15898114770 (or 15898114768 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 1208256720772 in words is "one trillion, two hundred eight billion, two hundred fifty-six million, seven hundred twenty thousand, seven hundred seventy-two".