12340670446 has 16 divisors (see below), whose sum is σ = 19940072544. Its totient is φ = 5694224544.

The previous prime is 12340670443. The next prime is 12340670477. The reversal of 12340670446 is 64407604321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340670443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44956 + ... + 163408.

It is an arithmetic number, because the mean of its divisors is an integer number (1246254534).

Almost surely, 2^12340670446 is an apocalyptic number.

12340670446 is a deficient number, since it is larger than the sum of its proper divisors (7599402098).

12340670446 is a wasteful number, since it uses less digits than its factorization.

12340670446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122475.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 12340670446 in words is "twelve billion, three hundred forty million, six hundred seventy thousand, four hundred forty-six".