212012201113 has 2 divisors, whose sum is σ = 212012201114. Its totient is φ = 212012201112.

The previous prime is 212012201111. The next prime is 212012201129. The reversal of 212012201113 is 311102210212.

It is an a-pointer prime, because the next prime (212012201129) can be obtained adding 212012201113 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169157818944 + 42854382169 = 411288^2 + 207013^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012201113 - 2¹ = 212012201111 is a prime.

Together with 212012201111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212012201111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006100556 + 106006100557.

It is an arithmetic number, because the mean of its divisors is an integer number (106006100557).

Almost surely, 2^212012201113 is an apocalyptic number.

It is an amenable number.

212012201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012201113 is an equidigital number, since it uses as much as digits as its factorization.

212012201113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212012201113 its reverse (311102210212), we get a palindrome (523114411325).

Subtracting 212012201113 from its reverse (311102210212), we obtain a palindrome (99090009099).

The spelling of 212012201113 in words is "two hundred twelve billion, twelve million, two hundred one thousand, one hundred thirteen".