12246433644 has 24 divisors (see below), whose sum is σ = 28579891648. Its totient is φ = 4081447440.

The previous prime is 12246433609. The next prime is 12246433649. The reversal of 12246433644 is 44633464221.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12246433649) 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, 11302 + ... + 156909.

Almost surely, 2^12246433644 is an apocalyptic number.

It is an amenable number.

12246433644 is an abundant number, since it is smaller than the sum of its proper divisors (16333458004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12246433644 is a wasteful number, since it uses less digits than its factorization.

12246433644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174285 (or 174283 counting only the distinct ones).

The product of its digits is 331776, while the sum is 39.

Adding to 12246433644 its reverse (44633464221), we get a palindrome (56879897865).

The spelling of 12246433644 in words is "twelve billion, two hundred forty-six million, four hundred thirty-three thousand, six hundred forty-four".