13021312002001 has 4 divisors (see below), whose sum is σ = 13587456002112. Its totient is φ = 12455168001892.

The previous prime is 13021312001969. The next prime is 13021312002053. The reversal of 13021312002001 is 10020021312031.

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 13021312002001 - 2⁵ = 13021312001969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021312002701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283072000021 + ... + 283072000066.

It is an arithmetic number, because the mean of its divisors is an integer number (3396864000528).

Almost surely, 2^{13021312002001} is an apocalyptic number.

It is an amenable number.

13021312002001 is a deficient number, since it is larger than the sum of its proper divisors (566144000111).

13021312002001 is an equidigital number, since it uses as much as digits as its factorization.

13021312002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566144000110.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13021312002001 its reverse (10020021312031), we get a palindrome (23041333314032).

The spelling of 13021312002001 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, two thousand, one".