12133022243 has 4 divisors (see below), whose sum is σ = 12133250568. Its totient is φ = 12132793920.

The previous prime is 12133022189. The next prime is 12133022249. The reversal of 12133022243 is 34222033121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34222033121 = 1277 ⋅26798773.

It is a cyclic number.

It is not a de Polignac number, because 12133022243 - 2⁸ = 12133021987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133022249) 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, 12083 + ... + 156243.

It is an arithmetic number, because the mean of its divisors is an integer number (3033312642).

Almost surely, 2^12133022243 is an apocalyptic number.

12133022243 is a deficient number, since it is larger than the sum of its proper divisors (228325).

12133022243 is an equidigital number, since it uses as much as digits as its factorization.

12133022243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228324.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12133022243 its reverse (34222033121), we get a palindrome (46355055364).

The spelling of 12133022243 in words is "twelve billion, one hundred thirty-three million, twenty-two thousand, two hundred forty-three".