1232122212361 has 2 divisors, whose sum is σ = 1232122212362. Its totient is φ = 1232122212360.

The previous prime is 1232122212359. The next prime is 1232122212413. The reversal of 1232122212361 is 1632122212321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1198576092025 + 33546120336 = 1094795^2 + 183156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232122212361 - 2¹ = 1232122212359 is a prime.

Together with 1232122212359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1232122212661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616061106180 + 616061106181.

It is an arithmetic number, because the mean of its divisors is an integer number (616061106181).

Almost surely, 2^{1232122212361} is an apocalyptic number.

It is an amenable number.

1232122212361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232122212361 is an equidigital number, since it uses as much as digits as its factorization.

1232122212361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

Adding to 1232122212361 its reverse (1632122212321), we get a palindrome (2864244424682).

The spelling of 1232122212361 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-two million, two hundred twelve thousand, three hundred sixty-one".