131212213000229 has 2 divisors, whose sum is σ = 131212213000230. Its totient is φ = 131212213000228.

The previous prime is 131212213000181. The next prime is 131212213000243. The reversal of 131212213000229 is 922000312212131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108057542675329 + 23154670324900 = 10395073^2 + 4811930^2 .

It is an emirp because it is prime and its reverse (922000312212131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131212213000229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131212213000289) 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, 65606106500114 + 65606106500115.

It is an arithmetic number, because the mean of its divisors is an integer number (65606106500115).

Almost surely, 2^{131212213000229} is an apocalyptic number.

It is an amenable number.

131212213000229 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212213000229 is an equidigital number, since it uses as much as digits as its factorization.

131212213000229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 131212213000229 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirteen million, two hundred twenty-nine", and thus it is an aban number.