12344520851 has 16 divisors (see below), whose sum is σ = 13446451200. Its totient is φ = 11264741280.

The previous prime is 12344520841. The next prime is 12344520869. The reversal of 12344520851 is 15802544321.

It is not a de Polignac number, because 12344520851 - 2⁶ = 12344520787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12344520841) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 794366 + ... + 809756.

It is an arithmetic number, because the mean of its divisors is an integer number (840403200).

Almost surely, 2^12344520851 is an apocalyptic number.

12344520851 is a deficient number, since it is larger than the sum of its proper divisors (1101930349).

12344520851 is a wasteful number, since it uses less digits than its factorization.

12344520851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 12344520851 in words is "twelve billion, three hundred forty-four million, five hundred twenty thousand, eight hundred fifty-one".