12340600305 has 64 divisors (see below), whose sum is σ = 22847401728. Its totient is φ = 5621391360.

The previous prime is 12340600267. The next prime is 12340600309. The reversal of 12340600305 is 50300604321.

It is a happy number.

It is not a de Polignac number, because 12340600305 - 2⁸ = 12340600049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12340600309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1715877 + ... + 1723053.

It is an arithmetic number, because the mean of its divisors is an integer number (356990652).

Almost surely, 2^12340600305 is an apocalyptic number.

12340600305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12340600305 is a deficient number, since it is larger than the sum of its proper divisors (10506801423).

12340600305 is a wasteful number, since it uses less digits than its factorization.

12340600305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826.

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 12340600305 in words is "twelve billion, three hundred forty million, six hundred thousand, three hundred five".