131212224244112 has 60 divisors (see below), whose sum is σ = 279565748691180. Its totient is φ = 59614216442880.

The previous prime is 131212224244093. The next prime is 131212224244139. The reversal of 131212224244112 is 211442422212131.

It is a happy number.

131212224244112 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 21253427700736 + 109958796543376 = 4610144^2 + 10486124^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11571437 + ... + 19907852.

It is an arithmetic number, because the mean of its divisors is an integer number (4659429144853).

Almost surely, 2^{131212224244112} is an apocalyptic number.

It is an amenable number.

131212224244112 is an abundant number, since it is smaller than the sum of its proper divisors (148353524447068).

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

131212224244112 is a wasteful number, since it uses less digits than its factorization.

131212224244112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31481472 (or 31481455 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

Adding to 131212224244112 its reverse (211442422212131), we get a palindrome (342654646456243).

The spelling of 131212224244112 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred twenty-four million, two hundred forty-four thousand, one hundred twelve".