212314402243 has 2 divisors, whose sum is σ = 212314402244. Its totient is φ = 212314402242.

The previous prime is 212314402193. The next prime is 212314402283. The reversal of 212314402243 is 342204413212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212314402243 is a prime.

It is a super-3 number, since 3×212314402243³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (212314402283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106157201121 + 106157201122.

It is an arithmetic number, because the mean of its divisors is an integer number (106157201122).

Almost surely, 2^212314402243 is an apocalyptic number.

212314402243 is a deficient number, since it is larger than the sum of its proper divisors (1).

212314402243 is an equidigital number, since it uses as much as digits as its factorization.

212314402243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212314402243 its reverse (342204413212), we get a palindrome (554518815455).

The spelling of 212314402243 in words is "two hundred twelve billion, three hundred fourteen million, four hundred two thousand, two hundred forty-three".