212414243220 has 72 divisors (see below), whose sum is σ = 644364433440. Its totient is φ = 56640173760.

The previous prime is 212414243207. The next prime is 212414243243. The reversal of 212414243220 is 22342414212.

It is a happy number.

212414243220 is a `hidden beast` number, since 2 + 1 + 2 + 414 + 24 + 3 + 220 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3949671 + ... + 4003089.

It is an arithmetic number, because the mean of its divisors is an integer number (8949506020).

Almost surely, 2^212414243220 is an apocalyptic number.

212414243220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212414243220 is an abundant number, since it is smaller than the sum of its proper divisors (431950190220).

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

212414243220 is a wasteful number, since it uses less digits than its factorization.

212414243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75525 (or 75520 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 212414243220 its reverse (22342414212), we get a palindrome (234756657432).

The spelling of 212414243220 in words is "two hundred twelve billion, four hundred fourteen million, two hundred forty-three thousand, two hundred twenty".