34130212121 has 2 divisors, whose sum is σ = 34130212122. Its totient is φ = 34130212120.

The previous prime is 34130212111. The next prime is 34130212139. The reversal of 34130212121 is 12121203143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24940305625 + 9189906496 = 157925^2 + 95864^2 .

It is a cyclic number.

It is not a de Polignac number, because 34130212121 - 2¹⁰ = 34130211097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34130212093 and 34130212102.

It is not a weakly prime, because it can be changed into another prime (34130212111) 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, 17065106060 + 17065106061.

It is an arithmetic number, because the mean of its divisors is an integer number (17065106061).

Almost surely, 2^34130212121 is an apocalyptic number.

It is an amenable number.

34130212121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34130212121 is an equidigital number, since it uses as much as digits as its factorization.

34130212121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 34130212121 its reverse (12121203143), we get a palindrome (46251415264).

The spelling of 34130212121 in words is "thirty-four billion, one hundred thirty million, two hundred twelve thousand, one hundred twenty-one".