131212443140223 has 8 divisors (see below), whose sum is σ = 175445533038768. Its totient is φ = 87227157667584.

The previous prime is 131212443140213. The next prime is 131212443140227. The reversal of 131212443140223 is 322041344212131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131212443140223 - 2⁹ = 131212443139711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212443140227) 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 7 ways as a sum of consecutive naturals, for example, 61951105240 + ... + 61951107357.

It is an arithmetic number, because the mean of its divisors is an integer number (21930691629846).

Almost surely, 2^{131212443140223} is an apocalyptic number.

131212443140223 is a deficient number, since it is larger than the sum of its proper divisors (44233089898545).

131212443140223 is a wasteful number, since it uses less digits than its factorization.

131212443140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123902212953.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131212443140223 its reverse (322041344212131), we get a palindrome (453253787352354).

The spelling of 131212443140223 in words is "one hundred thirty-one trillion, two hundred twelve billion, four hundred forty-three million, one hundred forty thousand, two hundred twenty-three".