212212414 has 4 divisors (see below), whose sum is σ = 318318624. Its totient is φ = 106106206.

The previous prime is 212212409. The next prime is 212212417. The reversal of 212212414 is 414212212.

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 = 212212391 and 212212400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053102 + ... + 53053105.

It is an arithmetic number, because the mean of its divisors is an integer number (79579656).

Almost surely, 2^212212414 is an apocalyptic number.

212212414 is a deficient number, since it is larger than the sum of its proper divisors (106106210).

212212414 is a wasteful number, since it uses less digits than its factorization.

212212414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106106209.

The product of its digits is 256, while the sum is 19.

The square root of 212212414 is about 14567.5122790406. The cubic root of 212212414 is about 596.4722751718.

Adding to 212212414 its reverse (414212212), we get a palindrome (626424626).

The spelling of 212212414 in words is "two hundred twelve million, two hundred twelve thousand, four hundred fourteen".