12257324007 has 16 divisors (see below), whose sum is σ = 16447200000. Its totient is φ = 8119609344.

The previous prime is 12257323973. The next prime is 12257324033. The reversal of 12257324007 is 70042375221.

It is not a de Polignac number, because 12257324007 - 2¹⁵ = 12257291239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12257324047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445744 + ... + 472442.

It is an arithmetic number, because the mean of its divisors is an integer number (1027950000).

Almost surely, 2^12257324007 is an apocalyptic number.

12257324007 is a deficient number, since it is larger than the sum of its proper divisors (4189875993).

12257324007 is a wasteful number, since it uses less digits than its factorization.

12257324007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27670.

The product of its (nonzero) digits is 23520, while the sum is 33.

Adding to 12257324007 its reverse (70042375221), we get a palindrome (82299699228).

The spelling of 12257324007 in words is "twelve billion, two hundred fifty-seven million, three hundred twenty-four thousand, seven".