12225331251 has 48 divisors (see below), whose sum is σ = 20730790080. Its totient is φ = 6796707840.

The previous prime is 12225331241. The next prime is 12225331259. The reversal of 12225331251 is 15213352221.

12225331251 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 533 + 125 + 1 = 666.

12225331251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12225331251 - 2⁵ = 12225331219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12225331259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 957115 + ... + 969803.

It is an arithmetic number, because the mean of its divisors is an integer number (431891460).

Almost surely, 2^12225331251 is an apocalyptic number.

12225331251 is a deficient number, since it is larger than the sum of its proper divisors (8505458829).

12225331251 is a wasteful number, since it uses less digits than its factorization.

12225331251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116 (or 13113 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

Adding to 12225331251 its reverse (15213352221), we get a palindrome (27438683472).

The spelling of 12225331251 in words is "twelve billion, two hundred twenty-five million, three hundred thirty-one thousand, two hundred fifty-one".