201212120212247 has 2 divisors, whose sum is σ = 201212120212248. Its totient is φ = 201212120212246.

The previous prime is 201212120212199. The next prime is 201212120212267. The reversal of 201212120212247 is 742212021212102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201212120212247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201212120212267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606060106123 + 100606060106124.

It is an arithmetic number, because the mean of its divisors is an integer number (100606060106124).

Almost surely, 2^{201212120212247} is an apocalyptic number.

201212120212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

201212120212247 is an equidigital number, since it uses as much as digits as its factorization.

201212120212247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 201212120212247 its reverse (742212021212102), we get a palindrome (943424141424349).

The spelling of 201212120212247 in words is "two hundred one trillion, two hundred twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred forty-seven".