212214430 has 8 divisors (see below), whose sum is σ = 381985992. Its totient is φ = 84885768.

The previous prime is 212214407. The next prime is 212214449. The reversal of 212214430 is 34412212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212214398 and 212214407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610712 + ... + 10610731.

It is an arithmetic number, because the mean of its divisors is an integer number (47748249).

Almost surely, 2^212214430 is an apocalyptic number.

212214430 is a deficient number, since it is larger than the sum of its proper divisors (169771562).

212214430 is a wasteful number, since it uses less digits than its factorization.

212214430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221450.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 212214430 is about 14567.5814739441. The cubic root of 212214430 is about 596.4741639779.

Adding to 212214430 its reverse (34412212), we get a palindrome (246626642).

It can be divided in two parts, 21221 and 4430, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 212214430 in words is "two hundred twelve million, two hundred fourteen thousand, four hundred thirty".