13234202121 has 8 divisors (see below), whose sum is σ = 20166403264. Its totient is φ = 7562401200.

The previous prime is 13234202101. The next prime is 13234202147. The reversal of 13234202121 is 12120243231.

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

It is not a de Polignac number, because 13234202121 - 2⁵ = 13234202089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 630200101 = 13234202121 / (1 + 3 + 2 + 3 + 4 + 2 + 0 + 2 + 1 + 2 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13234202101) 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, 315100030 + ... + 315100071.

It is an arithmetic number, because the mean of its divisors is an integer number (2520800408).

Almost surely, 2^13234202121 is an apocalyptic number.

It is an amenable number.

13234202121 is a deficient number, since it is larger than the sum of its proper divisors (6932201143).

13234202121 is an equidigital number, since it uses as much as digits as its factorization.

13234202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630200111.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13234202121 its reverse (12120243231), we get a palindrome (25354445352).

The spelling of 13234202121 in words is "thirteen billion, two hundred thirty-four million, two hundred two thousand, one hundred twenty-one".