12142444011 has 16 divisors (see below), whose sum is σ = 16606386720. Its totient is φ = 7887246080.

The previous prime is 12142444007. The next prime is 12142444049. The reversal of 12142444011 is 11044424121.

It is a cyclic number.

It is not a de Polignac number, because 12142444011 - 2² = 12142444007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12142444091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31225 + ... + 158933.

It is an arithmetic number, because the mean of its divisors is an integer number (1037899170).

Almost surely, 2^12142444011 is an apocalyptic number.

12142444011 is a deficient number, since it is larger than the sum of its proper divisors (4463942709).

12142444011 is a wasteful number, since it uses less digits than its factorization.

12142444011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128526.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 12142444011 its reverse (11044424121), we get a palindrome (23186868132).

The spelling of 12142444011 in words is "twelve billion, one hundred forty-two million, four hundred forty-four thousand, eleven".