1272337034563 has 16 divisors (see below), whose sum is σ = 1504395406080. Its totient is φ = 1052860376736.

The previous prime is 1272337034537. The next prime is 1272337034623. The reversal of 1272337034563 is 3654307332721.

It is not a de Polignac number, because 1272337034563 - 2²¹ = 1272334937411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1272337004563) 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 15 ways as a sum of consecutive naturals, for example, 1689156 + ... + 2323342.

It is an arithmetic number, because the mean of its divisors is an integer number (94024712880).

Almost surely, 2^{1272337034563} is an apocalyptic number.

1272337034563 is a deficient number, since it is larger than the sum of its proper divisors (232058371517).

1272337034563 is an equidigital number, since it uses as much as digits as its factorization.

1272337034563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644106.

The product of its (nonzero) digits is 1905120, while the sum is 46.

The spelling of 1272337034563 in words is "one trillion, two hundred seventy-two billion, three hundred thirty-seven million, thirty-four thousand, five hundred sixty-three".