1299459788201 has 4 divisors (see below), whose sum is σ = 1299468203904. Its totient is φ = 1299451372500.

The previous prime is 1299459788171. The next prime is 1299459788243. The reversal of 1299459788201 is 1028879549921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1299459788201 - 2¹⁰ = 1299459787177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299459788281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3971825 + ... + 4286526.

It is an arithmetic number, because the mean of its divisors is an integer number (324867050976).

Almost surely, 2^{1299459788201} is an apocalyptic number.

It is an amenable number.

1299459788201 is a deficient number, since it is larger than the sum of its proper divisors (8415703).

1299459788201 is an equidigital number, since it uses as much as digits as its factorization.

1299459788201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415702.

The product of its (nonzero) digits is 26127360, while the sum is 65.

The spelling of 1299459788201 in words is "one trillion, two hundred ninety-nine billion, four hundred fifty-nine million, seven hundred eighty-eight thousand, two hundred one".