104212212361 has 2 divisors, whose sum is σ = 104212212362. Its totient is φ = 104212212360.

The previous prime is 104212212359. The next prime is 104212212409. The reversal of 104212212361 is 163212212401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76637617225 + 27574595136 = 276835^2 + 166056^2 .

It is a cyclic number.

It is not a de Polignac number, because 104212212361 - 2¹ = 104212212359 is a prime.

It is a super-2 number, since 2×104212212361² (a number of 23 digits) contains 22 as substring.

Together with 104212212359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (104212213361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52106106180 + 52106106181.

It is an arithmetic number, because the mean of its divisors is an integer number (52106106181).

Almost surely, 2^104212212361 is an apocalyptic number.

It is an amenable number.

104212212361 is a deficient number, since it is larger than the sum of its proper divisors (1).

104212212361 is an equidigital number, since it uses as much as digits as its factorization.

104212212361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 104212212361 its reverse (163212212401), we get a palindrome (267424424762).

The spelling of 104212212361 in words is "one hundred four billion, two hundred twelve million, two hundred twelve thousand, three hundred sixty-one".