12351208646 has 8 divisors (see below), whose sum is σ = 21173500560. Its totient is φ = 5293375128.

The previous prime is 12351208643. The next prime is 12351208651. The reversal of 12351208646 is 64680215321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351208643) 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, 441114581 + ... + 441114608.

It is an arithmetic number, because the mean of its divisors is an integer number (2646687570).

Almost surely, 2^12351208646 is an apocalyptic number.

12351208646 is a deficient number, since it is larger than the sum of its proper divisors (8822291914).

12351208646 is an equidigital number, since it uses as much as digits as its factorization.

12351208646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882229198.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 12351208646 in words is "twelve billion, three hundred fifty-one million, two hundred eight thousand, six hundred forty-six".