1272473233276 has 12 divisors (see below), whose sum is σ = 2544946466608. Its totient is φ = 545345671392.

The previous prime is 1272473233261. The next prime is 1272473233289. The reversal of 1272473233276 is 6723323742721.

1272473233276 is an admirable number.

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, 22722736281 + ... + 22722736336.

Almost surely, 2^{1272473233276} is an apocalyptic number.

It is an amenable number.

1272473233276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272473233276 is a wasteful number, since it uses less digits than its factorization.

1272473233276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45445472628 (or 45445472626 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 49.

Adding to 1272473233276 its reverse (6723323742721), we get a palindrome (7995796975997).

The spelling of 1272473233276 in words is "one trillion, two hundred seventy-two billion, four hundred seventy-three million, two hundred thirty-three thousand, two hundred seventy-six".