212211419 has 4 divisors (see below), whose sum is σ = 242527344. Its totient is φ = 181895496.

The previous prime is 212211397. The next prime is 212211421. The reversal of 212211419 is 914112212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212211419 - 2¹⁶ = 212145883 is a prime.

It is a super-2 number, since 2×212211419² = 90067372707987122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212211394 and 212211403.

It is not an unprimeable number, because it can be changed into a prime (212211469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15157952 + ... + 15157965.

It is an arithmetic number, because the mean of its divisors is an integer number (60631836).

Almost surely, 2^212211419 is an apocalyptic number.

212211419 is a deficient number, since it is larger than the sum of its proper divisors (30315925).

212211419 is an equidigital number, since it uses as much as digits as its factorization.

212211419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30315924.

The product of its digits is 288, while the sum is 23.

The square root of 212211419 is about 14567.4781276651. The cubic root of 212211419 is about 596.4713429441.

The spelling of 212211419 in words is "two hundred twelve million, two hundred eleven thousand, four hundred nineteen".