131212452223 has 2 divisors, whose sum is σ = 131212452224. Its totient is φ = 131212452222.

The previous prime is 131212452181. The next prime is 131212452323. The reversal of 131212452223 is 322254212131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131212452223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131212452191 and 131212452200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131212452323) 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 as a sum of consecutive naturals, namely, 65606226111 + 65606226112.

It is an arithmetic number, because the mean of its divisors is an integer number (65606226112).

Almost surely, 2^131212452223 is an apocalyptic number.

131212452223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212452223 is an equidigital number, since it uses as much as digits as its factorization.

131212452223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

Adding to 131212452223 its reverse (322254212131), we get a palindrome (453466664354).

The spelling of 131212452223 in words is "one hundred thirty-one billion, two hundred twelve million, four hundred fifty-two thousand, two hundred twenty-three".