212950499317 has 2 divisors, whose sum is σ = 212950499318. Its totient is φ = 212950499316.

The previous prime is 212950499261. The next prime is 212950499369. The reversal of 212950499317 is 713994059212.

It is an a-pointer prime, because the next prime (212950499369) can be obtained adding 212950499317 to its sum of digits (52).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174288715441 + 38661783876 = 417479^2 + 196626^2 .

It is a cyclic number.

It is not a de Polignac number, because 212950499317 - 2¹¹ = 212950497269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212950499017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106475249658 + 106475249659.

It is an arithmetic number, because the mean of its divisors is an integer number (106475249659).

Almost surely, 2^212950499317 is an apocalyptic number.

It is an amenable number.

212950499317 is a deficient number, since it is larger than the sum of its proper divisors (1).

212950499317 is an equidigital number, since it uses as much as digits as its factorization.

212950499317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 212950499317 in words is "two hundred twelve billion, nine hundred fifty million, four hundred ninety-nine thousand, three hundred seventeen".