40012320211 has 2 divisors, whose sum is σ = 40012320212. Its totient is φ = 40012320210.

The previous prime is 40012320193. The next prime is 40012320233. The reversal of 40012320211 is 11202321004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40012320211 - 2¹¹ = 40012318163 is a prime.

It is not a weakly prime, because it can be changed into another prime (40012321211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006160105 + 20006160106.

It is an arithmetic number, because the mean of its divisors is an integer number (20006160106).

Almost surely, 2^40012320211 is an apocalyptic number.

40012320211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40012320211 is an equidigital number, since it uses as much as digits as its factorization.

40012320211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 40012320211 its reverse (11202321004), we get a palindrome (51214641215).

The spelling of 40012320211 in words is "forty billion, twelve million, three hundred twenty thousand, two hundred eleven".