12345679012346 has 8 divisors (see below), whose sum is σ = 18518559971904. Its totient is φ = 6172825688380.

The previous prime is 12345679012309. The next prime is 12345679012349. The reversal of 12345679012346 is 64321097654321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12345679012349) 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, 5753420 + ... + 7602183.

It is an arithmetic number, because the mean of its divisors is an integer number (2314819996488).

Almost surely, 2^{12345679012346} is an apocalyptic number.

12345679012346 is a deficient number, since it is larger than the sum of its proper divisors (6172880959558).

12345679012346 is a wasteful number, since it uses less digits than its factorization.

12345679012346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13817796.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 12345679012346 in words is "twelve trillion, three hundred forty-five billion, six hundred seventy-nine million, twelve thousand, three hundred forty-six".