212103323347 has 2 divisors, whose sum is σ = 212103323348. Its totient is φ = 212103323346.

The previous prime is 212103323239. The next prime is 212103323351. The reversal of 212103323347 is 743323301212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212103323347 is a prime.

It is not a weakly prime, because it can be changed into another prime (212103323357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051661673 + 106051661674.

It is an arithmetic number, because the mean of its divisors is an integer number (106051661674).

Almost surely, 2^212103323347 is an apocalyptic number.

212103323347 is a deficient number, since it is larger than the sum of its proper divisors (1).

212103323347 is an equidigital number, since it uses as much as digits as its factorization.

212103323347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 212103323347 its reverse (743323301212), we get a palindrome (955426624559).

The spelling of 212103323347 in words is "two hundred twelve billion, one hundred three million, three hundred twenty-three thousand, three hundred forty-seven".