131212444304322 has 24 divisors (see below), whose sum is σ = 284324221922364. Its totient is φ = 43732774881504.

The previous prime is 131212444304309. The next prime is 131212444304329. The reversal of 131212444304322 is 223403444212131.

131212444304322 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 24 + 4 + 4 + 304 + 322 = 666.

131212444304322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124896516355521 + 6315927948801 = 11175711^2 + 2513151^2 .

It is not an unprimeable number, because it can be changed into a prime (131212444304329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392040853 + ... + 392375400.

Almost surely, 2^{131212444304322} is an apocalyptic number.

131212444304322 is an abundant number, since it is smaller than the sum of its proper divisors (153111777618042).

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

131212444304322 is a wasteful number, since it uses less digits than its factorization.

131212444304322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784425554 (or 784425551 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 131212444304322 its reverse (223403444212131), we get a palindrome (354615888516453).

The spelling of 131212444304322 in words is "one hundred thirty-one trillion, two hundred twelve billion, four hundred forty-four million, three hundred four thousand, three hundred twenty-two".