12440234211 has 16 divisors (see below), whose sum is σ = 18487036800. Its totient is φ = 7394813568.

The previous prime is 12440234203. The next prime is 12440234221. The reversal of 12440234211 is 11243204421.

It is not a de Polignac number, because 12440234211 - 2³ = 12440234203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12440234221) 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, 6418141 + ... + 6420078.

It is an arithmetic number, because the mean of its divisors is an integer number (1155439800).

Almost surely, 2^12440234211 is an apocalyptic number.

12440234211 is a deficient number, since it is larger than the sum of its proper divisors (6046802589).

12440234211 is a wasteful number, since it uses less digits than its factorization.

12440234211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838258.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12440234211 its reverse (11243204421), we get a palindrome (23683438632).

The spelling of 12440234211 in words is "twelve billion, four hundred forty million, two hundred thirty-four thousand, two hundred eleven".