12136446233 has 4 divisors (see below), whose sum is σ = 12197433600. Its totient is φ = 12075458868.

The previous prime is 12136446229. The next prime is 12136446253. The reversal of 12136446233 is 33264463121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12136446233 - 2² = 12136446229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12136446193 and 12136446202.

It is not an unprimeable number, because it can be changed into a prime (12136446253) 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, 30493385 + ... + 30493782.

It is an arithmetic number, because the mean of its divisors is an integer number (3049358400).

Almost surely, 2^12136446233 is an apocalyptic number.

It is an amenable number.

12136446233 is a deficient number, since it is larger than the sum of its proper divisors (60987367).

12136446233 is an equidigital number, since it uses as much as digits as its factorization.

12136446233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60987366.

The product of its digits is 62208, while the sum is 35.

It can be divided in two parts, 1213 and 6446233, that added together give a palindrome (6447446).

The spelling of 12136446233 in words is "twelve billion, one hundred thirty-six million, four hundred forty-six thousand, two hundred thirty-three".