12133201331 has 4 divisors (see below), whose sum is σ = 12362129712. Its totient is φ = 11904272952.

The previous prime is 12133201307. The next prime is 12133201343. The reversal of 12133201331 is 13310233121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13310233121 = 2221 ⋅5992901.

It is a cyclic number.

It is not a de Polignac number, because 12133201331 - 2¹⁸ = 12132939187 is a prime.

It is a super-2 number, since 2×12133201331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133201831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114464111 + ... + 114464216.

It is an arithmetic number, because the mean of its divisors is an integer number (3090532428).

Almost surely, 2^12133201331 is an apocalyptic number.

12133201331 is a deficient number, since it is larger than the sum of its proper divisors (228928381).

12133201331 is an equidigital number, since it uses as much as digits as its factorization.

12133201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228928380.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12133201331 its reverse (13310233121), we get a palindrome (25443434452).

The spelling of 12133201331 in words is "twelve billion, one hundred thirty-three million, two hundred one thousand, three hundred thirty-one".