212043763 has 2 divisors, whose sum is σ = 212043764. Its totient is φ = 212043762.

The previous prime is 212043721. The next prime is 212043791. The reversal of 212043763 is 367340212.

It is an a-pointer prime, because the next prime (212043791) can be obtained adding 212043763 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212043763 is a prime.

It is equal to p_11708146 and since 212043763 and 11708146 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (212043863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106021881 + 106021882.

It is an arithmetic number, because the mean of its divisors is an integer number (106021882).

Almost surely, 2^212043763 is an apocalyptic number.

212043763 is a deficient number, since it is larger than the sum of its proper divisors (1).

212043763 is an equidigital number, since it uses as much as digits as its factorization.

212043763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 212043763 is about 14561.7225286022. The cubic root of 212043763 is about 596.3142223601.

Adding to 212043763 its reverse (367340212), we get a palindrome (579383975).

The spelling of 212043763 in words is "two hundred twelve million, forty-three thousand, seven hundred sixty-three".