1272907941899 has 32 divisors (see below), whose sum is σ = 1408004881920. Its totient is φ = 1141144012800.

The previous prime is 1272907941889. The next prime is 1272907942001. The reversal of 1272907941899 is 9981497092721.

It is not a de Polignac number, because 1272907941899 - 2²⁸ = 1272639506443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272907941859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456401597 + ... + 456404385.

It is an arithmetic number, because the mean of its divisors is an integer number (44000152560).

Almost surely, 2^{1272907941899} is an apocalyptic number.

1272907941899 is a deficient number, since it is larger than the sum of its proper divisors (135096940021).

1272907941899 is a wasteful number, since it uses less digits than its factorization.

1272907941899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451.

The product of its (nonzero) digits is 41150592, while the sum is 68.

The spelling of 1272907941899 in words is "one trillion, two hundred seventy-two billion, nine hundred seven million, nine hundred forty-one thousand, eight hundred ninety-nine".