134512162121 has 2 divisors, whose sum is σ = 134512162122. Its totient is φ = 134512162120.

The previous prime is 134512162073. The next prime is 134512162123. The reversal of 134512162121 is 121261215431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103852152121 + 30660010000 = 322261^2 + 175100^2 .

It is a cyclic number.

It is not a de Polignac number, because 134512162121 - 2³⁴ = 117332292937 is a prime.

It is a Sophie Germain prime.

Together with 134512162123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (134512162123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67256081060 + 67256081061.

It is an arithmetic number, because the mean of its divisors is an integer number (67256081061).

Almost surely, 2^134512162121 is an apocalyptic number.

It is an amenable number.

134512162121 is a deficient number, since it is larger than the sum of its proper divisors (1).

134512162121 is an equidigital number, since it uses as much as digits as its factorization.

134512162121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

Adding to 134512162121 its reverse (121261215431), we get a palindrome (255773377552).

The spelling of 134512162121 in words is "one hundred thirty-four billion, five hundred twelve million, one hundred sixty-two thousand, one hundred twenty-one".