121312212341 has 2 divisors, whose sum is σ = 121312212342. Its totient is φ = 121312212340.

The previous prime is 121312212233. The next prime is 121312212367. The reversal of 121312212341 is 143212213121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72627555025 + 48684657316 = 269495^2 + 220646^2 .

It is a cyclic number.

It is not a de Polignac number, because 121312212341 - 2¹⁴ = 121312195957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121312212841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656106170 + 60656106171.

It is an arithmetic number, because the mean of its divisors is an integer number (60656106171).

Almost surely, 2^121312212341 is an apocalyptic number.

It is an amenable number.

121312212341 is a deficient number, since it is larger than the sum of its proper divisors (1).

121312212341 is an equidigital number, since it uses as much as digits as its factorization.

121312212341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 121312212341 its reverse (143212213121), we get a palindrome (264524425462).

The spelling of 121312212341 in words is "one hundred twenty-one billion, three hundred twelve million, two hundred twelve thousand, three hundred forty-one".