134212131312121 has 2 divisors, whose sum is σ = 134212131312122. Its totient is φ = 134212131312120.

The previous prime is 134212131312059. The next prime is 134212131312143. The reversal of 134212131312121 is 121213131212431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111718558090000 + 22493573222121 = 10569700^2 + 4742739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134212131312121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134212131312121.

It is not a weakly prime, because it can be changed into another prime (134212131312221) 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, 67106065656060 + 67106065656061.

It is an arithmetic number, because the mean of its divisors is an integer number (67106065656061).

Almost surely, 2^{134212131312121} is an apocalyptic number.

It is an amenable number.

134212131312121 is a deficient number, since it is larger than the sum of its proper divisors (1).

134212131312121 is an equidigital number, since it uses as much as digits as its factorization.

134212131312121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

Adding to 134212131312121 its reverse (121213131212431), we get a palindrome (255425262524552).

The spelling of 134212131312121 in words is "one hundred thirty-four trillion, two hundred twelve billion, one hundred thirty-one million, three hundred twelve thousand, one hundred twenty-one".