12440304134 has 8 divisors (see below), whose sum is σ = 19057487328. Its totient is φ = 6087808360.

The previous prime is 12440304133. The next prime is 12440304137. The reversal of 12440304134 is 43140304421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12440304134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440304133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66171737 + ... + 66171924.

It is an arithmetic number, because the mean of its divisors is an integer number (2382185916).

Almost surely, 2^12440304134 is an apocalyptic number.

12440304134 is a deficient number, since it is larger than the sum of its proper divisors (6617183194).

12440304134 is a wasteful number, since it uses less digits than its factorization.

12440304134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132343710.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12440304134 its reverse (43140304421), we get a palindrome (55580608555).

The spelling of 12440304134 in words is "twelve billion, four hundred forty million, three hundred four thousand, one hundred thirty-four".