12340002001 has 4 divisors (see below), whose sum is σ = 12346014772. Its totient is φ = 12333989232.

The previous prime is 12340001987. The next prime is 12340002049. The reversal of 12340002001 is 10020004321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4697046225 + 7642955776 = 68535^2 + 87424^2 .

It is a cyclic number.

It is not a de Polignac number, because 12340002001 - 2⁵ = 12340001969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340002091) 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, 3003306 + ... + 3007411.

It is an arithmetic number, because the mean of its divisors is an integer number (3086503693).

Almost surely, 2^12340002001 is an apocalyptic number.

It is an amenable number.

12340002001 is a deficient number, since it is larger than the sum of its proper divisors (6012771).

12340002001 is an equidigital number, since it uses as much as digits as its factorization.

12340002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012770.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12340002001 its reverse (10020004321), we get a palindrome (22360006322).

The spelling of 12340002001 in words is "twelve billion, three hundred forty million, two thousand, one".