412134334241221 has 2 divisors, whose sum is σ = 412134334241222. Its totient is φ = 412134334241220.

The previous prime is 412134334241219. The next prime is 412134334241249. The reversal of 412134334241221 is 122142433431214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403903919164321 + 8230415076900 = 20097361^2 + 2868870^2 .

It is a cyclic number.

It is not a de Polignac number, because 412134334241221 - 2¹ = 412134334241219 is a prime.

Together with 412134334241219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412134334241251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206067167120610 + 206067167120611.

It is an arithmetic number, because the mean of its divisors is an integer number (206067167120611).

Almost surely, 2^{412134334241221} is an apocalyptic number.

It is an amenable number.

412134334241221 is a deficient number, since it is larger than the sum of its proper divisors (1).

412134334241221 is an equidigital number, since it uses as much as digits as its factorization.

412134334241221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 37.

Adding to 412134334241221 its reverse (122142433431214), we get a palindrome (534276767672435).

The spelling of 412134334241221 in words is "four hundred twelve trillion, one hundred thirty-four billion, three hundred thirty-four million, two hundred forty-one thousand, two hundred twenty-one".