1272252852812 has 24 divisors (see below), whose sum is σ = 2303860300560. Its totient is φ = 614019318080.

The previous prime is 1272252852713. The next prime is 1272252852833. The reversal of 1272252852812 is 2182582522721.

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, 1115978 + ... + 1946769.

It is an arithmetic number, because the mean of its divisors is an integer number (95994179190).

Almost surely, 2^{1272252852812} is an apocalyptic number.

It is an amenable number.

1272252852812 is a deficient number, since it is larger than the sum of its proper divisors (1031607447748).

1272252852812 is a wasteful number, since it uses less digits than its factorization.

1272252852812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066361 (or 3066359 counting only the distinct ones).

The product of its digits is 716800, while the sum is 47.

The spelling of 1272252852812 in words is "one trillion, two hundred seventy-two billion, two hundred fifty-two million, eight hundred fifty-two thousand, eight hundred twelve".