12340743704651 has 4 divisors (see below), whose sum is σ = 12422470484304. Its totient is φ = 12259016925000.

The previous prime is 12340743704633. The next prime is 12340743704669. The reversal of 12340743704651 is 15640734704321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12340743704633) and next prime (12340743704669).

It is a cyclic number.

It is not a de Polignac number, because 12340743704651 - 2¹⁰ = 12340743703627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12340743704596 and 12340743704605.

It is not an unprimeable number, because it can be changed into a prime (12340743701651) 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, 40863389600 + ... + 40863389901.

It is an arithmetic number, because the mean of its divisors is an integer number (3105617621076).

Almost surely, 2^{12340743704651} is an apocalyptic number.

12340743704651 is a deficient number, since it is larger than the sum of its proper divisors (81726779653).

12340743704651 is an equidigital number, since it uses as much as digits as its factorization.

12340743704651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81726779652.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 12340743704651 in words is "twelve trillion, three hundred forty billion, seven hundred forty-three million, seven hundred four thousand, six hundred fifty-one".