12440134302 has 64 divisors (see below), whose sum is σ = 27123828480. Its totient is φ = 3787762176.

The previous prime is 12440134297. The next prime is 12440134331. The reversal of 12440134302 is 20343104421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1577373 + ... + 1585239.

It is an arithmetic number, because the mean of its divisors is an integer number (423809820).

Almost surely, 2^12440134302 is an apocalyptic number.

12440134302 is an abundant number, since it is smaller than the sum of its proper divisors (14683694178).

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

12440134302 is a wasteful number, since it uses less digits than its factorization.

12440134302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12440134302 its reverse (20343104421), we get a palindrome (32783238723).

The spelling of 12440134302 in words is "twelve billion, four hundred forty million, one hundred thirty-four thousand, three hundred two".