12344562345 has 32 divisors (see below), whose sum is σ = 19908483840. Its totient is φ = 6531528960.

The previous prime is 12344562337. The next prime is 12344562379. The reversal of 12344562345 is 54326544321.

It is not a de Polignac number, because 12344562345 - 2³ = 12344562337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1350651 + ... + 1359759.

It is an arithmetic number, because the mean of its divisors is an integer number (622140120).

Almost surely, 2^12344562345 is an apocalyptic number.

12344562345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12344562345 is a deficient number, since it is larger than the sum of its proper divisors (7563921495).

12344562345 is a wasteful number, since it uses less digits than its factorization.

12344562345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9825.

The product of its digits is 345600, while the sum is 39.

The spelling of 12344562345 in words is "twelve billion, three hundred forty-four million, five hundred sixty-two thousand, three hundred forty-five".