212403214 has 4 divisors (see below), whose sum is σ = 318604824. Its totient is φ = 106201606.

The previous prime is 212403179. The next prime is 212403283. The reversal of 212403214 is 412304212.

212403214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 212403191 and 212403200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53100802 + ... + 53100805.

It is an arithmetic number, because the mean of its divisors is an integer number (79651206).

Almost surely, 2^212403214 is an apocalyptic number.

212403214 is a deficient number, since it is larger than the sum of its proper divisors (106201610).

212403214 is a wasteful number, since it uses less digits than its factorization.

212403214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106201609.

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

The square root of 212403214 is about 14574.0596266106. The cubic root of 212403214 is about 596.6509841943.

Adding to 212403214 its reverse (412304212), we get a palindrome (624707426).

The spelling of 212403214 in words is "two hundred twelve million, four hundred three thousand, two hundred fourteen".