40122433213 has 2 divisors, whose sum is σ = 40122433214. Its totient is φ = 40122433212.

The previous prime is 40122433207. The next prime is 40122433223. The reversal of 40122433213 is 31233422104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27783222489 + 12339210724 = 166683^2 + 111082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40122433213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40122433223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061216606 + 20061216607.

It is an arithmetic number, because the mean of its divisors is an integer number (20061216607).

Almost surely, 2^40122433213 is an apocalyptic number.

It is an amenable number.

40122433213 is a deficient number, since it is larger than the sum of its proper divisors (1).

40122433213 is an equidigital number, since it uses as much as digits as its factorization.

40122433213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40122433213 its reverse (31233422104), we get a palindrome (71355855317).

The spelling of 40122433213 in words is "forty billion, one hundred twenty-two million, four hundred thirty-three thousand, two hundred thirteen".