201212310443 has 2 divisors, whose sum is σ = 201212310444. Its totient is φ = 201212310442.

The previous prime is 201212310379. The next prime is 201212310491. The reversal of 201212310443 is 344013212102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201212310443 - 2⁶ = 201212310379 is a prime.

It is not a weakly prime, because it can be changed into another prime (201212330443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606155221 + 100606155222.

It is an arithmetic number, because the mean of its divisors is an integer number (100606155222).

Almost surely, 2^201212310443 is an apocalyptic number.

201212310443 is a deficient number, since it is larger than the sum of its proper divisors (1).

201212310443 is an equidigital number, since it uses as much as digits as its factorization.

201212310443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201212310443 its reverse (344013212102), we get a palindrome (545225522545).

The spelling of 201212310443 in words is "two hundred one billion, two hundred twelve million, three hundred ten thousand, four hundred forty-three".