212003012311 has 2 divisors, whose sum is σ = 212003012312. Its totient is φ = 212003012310.

The previous prime is 212003012303. The next prime is 212003012357. The reversal of 212003012311 is 113210300212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212003012311 - 2³ = 212003012303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212003012911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001506155 + 106001506156.

It is an arithmetic number, because the mean of its divisors is an integer number (106001506156).

Almost surely, 2^212003012311 is an apocalyptic number.

212003012311 is a deficient number, since it is larger than the sum of its proper divisors (1).

212003012311 is an equidigital number, since it uses as much as digits as its factorization.

212003012311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212003012311 its reverse (113210300212), we get a palindrome (325213312523).

The spelling of 212003012311 in words is "two hundred twelve billion, three million, twelve thousand, three hundred eleven".