1273931270512 has 10 divisors (see below), whose sum is σ = 2468241836648. Its totient is φ = 636965635248.

The previous prime is 1273931270509. The next prime is 1273931270519. The reversal of 1273931270512 is 2150721393721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273931270519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39810352188 + ... + 39810352219.

Almost surely, 2^{1273931270512} is an apocalyptic number.

It is an amenable number.

1273931270512 is a deficient number, since it is larger than the sum of its proper divisors (1194310566136).

1273931270512 is an equidigital number, since it uses as much as digits as its factorization.

1273931270512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79620704415 (or 79620704409 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 1273931270512 in words is "one trillion, two hundred seventy-three billion, nine hundred thirty-one million, two hundred seventy thousand, five hundred twelve".