13020123332321 has 8 divisors (see below), whose sum is σ = 14883975081984. Its totient is φ = 11157230115360.

The previous prime is 13020123332287. The next prime is 13020123332341. The reversal of 13020123332321 is 12323332102031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13020123332321 is a prime.

It is a super-2 number, since 2×13020123332321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020123332341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239604065 + ... + 239658398.

It is an arithmetic number, because the mean of its divisors is an integer number (1860496885248).

Almost surely, 2^{13020123332321} is an apocalyptic number.

It is an amenable number.

13020123332321 is a deficient number, since it is larger than the sum of its proper divisors (1863851749663).

13020123332321 is an equidigital number, since it uses as much as digits as its factorization.

13020123332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479266351.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13020123332321 its reverse (12323332102031), we get a palindrome (25343455434352).

The spelling of 13020123332321 in words is "thirteen trillion, twenty billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred twenty-one".