12133232344 has 32 divisors (see below), whose sum is σ = 23952600000. Its totient is φ = 5746017312.

The previous prime is 12133232327. The next prime is 12133232369. The reversal of 12133232344 is 44323233121.

It is a happy number.

It is a super-2 number, since 2×12133232344² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150407 + ... + 1160905.

It is an arithmetic number, because the mean of its divisors is an integer number (748518750).

Almost surely, 2^12133232344 is an apocalyptic number.

It is an amenable number.

12133232344 is a deficient number, since it is larger than the sum of its proper divisors (11819367656).

12133232344 is a wasteful number, since it uses less digits than its factorization.

12133232344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127 (or 18123 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 12133232344 its reverse (44323233121), we get a palindrome (56456465465).

The spelling of 12133232344 in words is "twelve billion, one hundred thirty-three million, two hundred thirty-two thousand, three hundred forty-four".