12440134642703 has 2 divisors, whose sum is σ = 12440134642704. Its totient is φ = 12440134642702.

The previous prime is 12440134642699. The next prime is 12440134642721. The reversal of 12440134642703 is 30724643104421.

12440134642703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12440134642703 - 2² = 12440134642699 is a prime.

It is a super-2 number, since 2×12440134642703² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440134642753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220067321351 + 6220067321352.

It is an arithmetic number, because the mean of its divisors is an integer number (6220067321352).

Almost surely, 2^{12440134642703} is an apocalyptic number.

12440134642703 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440134642703 is an equidigital number, since it uses as much as digits as its factorization.

12440134642703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 12440134642703 in words is "twelve trillion, four hundred forty billion, one hundred thirty-four million, six hundred forty-two thousand, seven hundred three".