212320469 has 2 divisors, whose sum is σ = 212320470. Its totient is φ = 212320468.

The previous prime is 212320453. The next prime is 212320499. The reversal of 212320469 is 964023212.

212320469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193571569 + 18748900 = 13913^2 + 4330^2 .

It is a cyclic number.

It is not a de Polignac number, because 212320469 - 2⁴ = 212320453 is a prime.

It is a super-2 number, since 2×212320469² = 90159963112759922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212320499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160234 + 106160235.

It is an arithmetic number, because the mean of its divisors is an integer number (106160235).

Almost surely, 2^212320469 is an apocalyptic number.

It is an amenable number.

212320469 is a deficient number, since it is larger than the sum of its proper divisors (1).

212320469 is an equidigital number, since it uses as much as digits as its factorization.

212320469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 212320469 is about 14571.2205734455. The cubic root of 212320469 is about 596.5734958848.

The spelling of 212320469 in words is "two hundred twelve million, three hundred twenty thousand, four hundred sixty-nine".