13033013232121 has 4 divisors (see below), whose sum is σ = 13033023651700. Its totient is φ = 13033002812544.

The previous prime is 13033013232073. The next prime is 13033013232133. The reversal of 13033013232121 is 12123231033031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11969662478400 + 1063350753721 = 3459720^2 + 1031189^2 .

It is a cyclic number.

It is not a de Polignac number, because 13033013232121 - 2⁷ = 13033013231993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13033013238121) 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, 3029376 + ... + 5936593.

It is an arithmetic number, because the mean of its divisors is an integer number (3258255912925).

Almost surely, 2^{13033013232121} is an apocalyptic number.

It is an amenable number.

13033013232121 is a deficient number, since it is larger than the sum of its proper divisors (10419579).

13033013232121 is an equidigital number, since it uses as much as digits as its factorization.

13033013232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10419578.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13033013232121 its reverse (12123231033031), we get a palindrome (25156244265152).

The spelling of 13033013232121 in words is "thirteen trillion, thirty-three billion, thirteen million, two hundred thirty-two thousand, one hundred twenty-one".