13233123013021 has 4 divisors (see below), whose sum is σ = 13312363270752. Its totient is φ = 13153882755292.

The previous prime is 13233123012983. The next prime is 13233123013051. The reversal of 13233123013021 is 12031032133231.

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 13233123013021 - 2¹¹ = 13233123010973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233123013051) 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 3 ways as a sum of consecutive naturals, for example, 39620128615 + ... + 39620128948.

It is an arithmetic number, because the mean of its divisors is an integer number (3328090817688).

Almost surely, 2^{13233123013021} is an apocalyptic number.

It is an amenable number.

13233123013021 is a deficient number, since it is larger than the sum of its proper divisors (79240257731).

13233123013021 is an equidigital number, since it uses as much as digits as its factorization.

13233123013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79240257730.

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

Adding to 13233123013021 its reverse (12031032133231), we get a palindrome (25264155146252).

The spelling of 13233123013021 in words is "thirteen trillion, two hundred thirty-three billion, one hundred twenty-three million, thirteen thousand, twenty-one".