213212214 has 12 divisors (see below), whose sum is σ = 461959836. Its totient is φ = 71070732.

The previous prime is 213212179. The next prime is 213212261. The reversal of 213212214 is 412212312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11845123 = 213212214 / (2 + 1 + 3 + 2 + 1 + 2 + 2 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5922544 + ... + 5922579.

It is an arithmetic number, because the mean of its divisors is an integer number (38496653).

Almost surely, 2^213212214 is an apocalyptic number.

213212214 is an abundant number, since it is smaller than the sum of its proper divisors (248747622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213212214 is a wasteful number, since it uses less digits than its factorization.

213212214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845131 (or 11845128 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 213212214 is about 14601.7880411955. The cubic root of 213212214 is about 597.4075313099.

Adding to 213212214 its reverse (412212312), we get a palindrome (625424526).

The spelling of 213212214 in words is "two hundred thirteen million, two hundred twelve thousand, two hundred fourteen".