12162431226 has 32 divisors (see below), whose sum is σ = 26541881856. Its totient is φ = 3684798000.

The previous prime is 12162431219. The next prime is 12162431269. The reversal of 12162431226 is 62213426121.

It is a junction number, because it is equal to n+sod(n) for n = 12162431193 and 12162431202.

It is an unprimeable number.

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, 341481 + ... + 375411.

It is an arithmetic number, because the mean of its divisors is an integer number (829433808).

Almost surely, 2^12162431226 is an apocalyptic number.

12162431226 is an abundant number, since it is smaller than the sum of its proper divisors (14379450630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12162431226 is a wasteful number, since it uses less digits than its factorization.

12162431226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39378.

The product of its digits is 6912, while the sum is 30.

Adding to 12162431226 its reverse (62213426121), we get a palindrome (74375857347).

The spelling of 12162431226 in words is "twelve billion, one hundred sixty-two million, four hundred thirty-one thousand, two hundred twenty-six".