12013434441 has 12 divisors (see below), whose sum is σ = 17384469232. Its totient is φ = 7994311416.

The previous prime is 12013434431. The next prime is 12013434449. The reversal of 12013434441 is 14443431021.

It is not a de Polignac number, because 12013434441 - 2⁵ = 12013434409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013434449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1215211 + ... + 1225056.

Almost surely, 2^12013434441 is an apocalyptic number.

It is an amenable number.

12013434441 is a deficient number, since it is larger than the sum of its proper divisors (5371034791).

12013434441 is a wasteful number, since it uses less digits than its factorization.

12013434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440820 (or 2440817 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12013434441 its reverse (14443431021), we get a palindrome (26456865462).

The spelling of 12013434441 in words is "twelve billion, thirteen million, four hundred thirty-four thousand, four hundred forty-one".