13320312233121 has 64 divisors (see below), whose sum is σ = 20934659891200. Its totient is φ = 8355995121600.

The previous prime is 13320312233101. The next prime is 13320312233147. The reversal of 13320312233121 is 12133221302331.

13320312233121 is a `hidden beast` number, since 1 + 3 + 3 + 203 + 122 + 331 + 2 + 1 = 666.

It is not a de Polignac number, because 13320312233121 - 2⁶ = 13320312233057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13320312233101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47273070 + ... + 47554008.

It is an arithmetic number, because the mean of its divisors is an integer number (327104060800).

Almost surely, 2^{13320312233121} is an apocalyptic number.

It is an amenable number.

13320312233121 is a deficient number, since it is larger than the sum of its proper divisors (7614347658079).

13320312233121 is a wasteful number, since it uses less digits than its factorization.

13320312233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282547 (or 282541 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13320312233121 its reverse (12133221302331), we get a palindrome (25453533535452).

The spelling of 13320312233121 in words is "thirteen trillion, three hundred twenty billion, three hundred twelve million, two hundred thirty-three thousand, one hundred twenty-one".