12012122413 has 2 divisors, whose sum is σ = 12012122414. Its totient is φ = 12012122412.

The previous prime is 12012122399. The next prime is 12012122417. The reversal of 12012122413 is 31422121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8274267369 + 3737855044 = 90963^2 + 61138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012122413 - 2¹³ = 12012114221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012122417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006061206 + 6006061207.

It is an arithmetic number, because the mean of its divisors is an integer number (6006061207).

Almost surely, 2^12012122413 is an apocalyptic number.

It is an amenable number.

12012122413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012122413 is an equidigital number, since it uses as much as digits as its factorization.

12012122413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12012122413 its reverse (31422121021), we get a palindrome (43434243434).

The spelling of 12012122413 in words is "twelve billion, twelve million, one hundred twenty-two thousand, four hundred thirteen".