12440011134 has 32 divisors (see below), whose sum is σ = 25192956960. Its totient is φ = 4094638592.

The previous prime is 12440011099. The next prime is 12440011139. The reversal of 12440011134 is 43111004421.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12440011134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440011139) 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, 397714 + ... + 427850.

It is an arithmetic number, because the mean of its divisors is an integer number (787279905).

Almost surely, 2^12440011134 is an apocalyptic number.

12440011134 is an abundant number, since it is smaller than the sum of its proper divisors (12752945826).

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

12440011134 is a wasteful number, since it uses less digits than its factorization.

12440011134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31004.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12440011134 its reverse (43111004421), we get a palindrome (55551015555).

The spelling of 12440011134 in words is "twelve billion, four hundred forty million, eleven thousand, one hundred thirty-four".