212513219 has 2 divisors, whose sum is σ = 212513220. Its totient is φ = 212513218.

The previous prime is 212513201. The next prime is 212513269. The reversal of 212513219 is 912315212.

It is a happy number.

212513219 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212513219 is a prime.

It is a super-2 number, since 2×212513219² = 90323736499483922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212513269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106256609 + 106256610.

It is an arithmetic number, because the mean of its divisors is an integer number (106256610).

Almost surely, 2^212513219 is an apocalyptic number.

212513219 is a deficient number, since it is larger than the sum of its proper divisors (1).

212513219 is an equidigital number, since it uses as much as digits as its factorization.

212513219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 212513219 is about 14577.8331380216. The cubic root of 212513219 is about 596.7539695536.

The spelling of 212513219 in words is "two hundred twelve million, five hundred thirteen thousand, two hundred nineteen".