13223032232121 has 8 divisors (see below), whose sum is σ = 19589677380960. Its totient is φ = 8815354821396.

The previous prime is 13223032232107. The next prime is 13223032232141. The reversal of 13223032232121 is 12123223032231.

13223032232121 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 303 + 2 + 232 + 121 = 666.

It is not a de Polignac number, because 13223032232121 - 2¹⁴ = 13223032215737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 489741934523 = 13223032232121 / (1 + 3 + 2 + 2 + 3 + 0 + 3 + 2 + 2 + 3 + 2 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (13223032232141) 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, 244870967235 + ... + 244870967288.

It is an arithmetic number, because the mean of its divisors is an integer number (2448709672620).

Almost surely, 2^{13223032232121} is an apocalyptic number.

It is an amenable number.

13223032232121 is a deficient number, since it is larger than the sum of its proper divisors (6366645148839).

13223032232121 is an equidigital number, since it uses as much as digits as its factorization.

13223032232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489741934532 (or 489741934526 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13223032232121 its reverse (12123223032231), we get a palindrome (25346255264352).

The spelling of 13223032232121 in words is "thirteen trillion, two hundred twenty-three billion, thirty-two million, two hundred thirty-two thousand, one hundred twenty-one".