1272901300899 has 16 divisors (see below), whose sum is σ = 1708737444000. Its totient is φ = 842833980416.

The previous prime is 1272901300873. The next prime is 1272901301011. The reversal of 1272901300899 is 9980031092721.

It is a cyclic number.

It is not a de Polignac number, because 1272901300899 - 2²⁴ = 1272884523683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1272901301899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5433907 + ... + 5663315.

It is an arithmetic number, because the mean of its divisors is an integer number (106796090250).

Almost surely, 2^{1272901300899} is an apocalyptic number.

1272901300899 is a deficient number, since it is larger than the sum of its proper divisors (435836143101).

1272901300899 is a wasteful number, since it uses less digits than its factorization.

1272901300899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241974.

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 1272901300899 in words is "one trillion, two hundred seventy-two billion, nine hundred one million, three hundred thousand, eight hundred ninety-nine".