12340017946 has 4 divisors (see below), whose sum is σ = 18510026922. Its totient is φ = 6170008972.

The previous prime is 12340017929. The next prime is 12340017967. The reversal of 12340017946 is 64971004321.

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

It can be written as a sum of positive squares in only one way, i.e., 8057755225 + 4282262721 = 89765^2 + 65439^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085004485 + ... + 3085004488.

Almost surely, 2^12340017946 is an apocalyptic number.

12340017946 is a deficient number, since it is larger than the sum of its proper divisors (6170008976).

12340017946 is an equidigital number, since it uses as much as digits as its factorization.

12340017946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170008975.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 12340017946 in words is "twelve billion, three hundred forty million, seventeen thousand, nine hundred forty-six".