12442444011 has 12 divisors (see below), whose sum is σ = 17993499888. Its totient is φ = 8285233104.

The previous prime is 12442443977. The next prime is 12442444031. The reversal of 12442444011 is 11044424421.

It is a happy number.

12442444011 is a `hidden beast` number, since 12 + 4 + 4 + 244 + 401 + 1 = 666.

It is not a de Polignac number, because 12442444011 - 2²¹ = 12440346859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12442444031) 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, 802695 + ... + 818048.

It is an arithmetic number, because the mean of its divisors is an integer number (1499458324).

Almost surely, 2^12442444011 is an apocalyptic number.

12442444011 is a deficient number, since it is larger than the sum of its proper divisors (5551055877).

12442444011 is a wasteful number, since it uses less digits than its factorization.

12442444011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621602 (or 1621599 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 12442444011 its reverse (11044424421), we get a palindrome (23486868432).

The spelling of 12442444011 in words is "twelve billion, four hundred forty-two million, four hundred forty-four thousand, eleven".