12345679000001 has 4 divisors (see below), whose sum is σ = 12346120781232. Its totient is φ = 12345237218772.

The previous prime is 12345678999967. The next prime is 12345679000027. The reversal of 12345679000001 is 10000097654321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12345679000001 - 2¹⁸ = 12345678737857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345679000901) 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, 220848695 + ... + 220904588.

It is an arithmetic number, because the mean of its divisors is an integer number (3086530195308).

Almost surely, 2^{12345679000001} is an apocalyptic number.

It is an amenable number.

12345679000001 is a deficient number, since it is larger than the sum of its proper divisors (441781231).

12345679000001 is an equidigital number, since it uses as much as digits as its factorization.

12345679000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441781230.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 12345679000001 in words is "twelve trillion, three hundred forty-five billion, six hundred seventy-nine million, one", and thus it is an aban number.