1255605830812 has 12 divisors (see below), whose sum is σ = 2200102217320. Its totient is φ = 627005197296.

The previous prime is 1255605830767. The next prime is 1255605830821. The reversal of 1255605830812 is 2180385065521.

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, 199425987 + ... + 199432282.

Almost surely, 2^{1255605830812} is an apocalyptic number.

It is an amenable number.

1255605830812 is a deficient number, since it is larger than the sum of its proper divisors (944496386508).

1255605830812 is a wasteful number, since it uses less digits than its factorization.

1255605830812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398859060 (or 398859058 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 1255605830812 in words is "one trillion, two hundred fifty-five billion, six hundred five million, eight hundred thirty thousand, eight hundred twelve".