212211412 has 48 divisors (see below), whose sum is σ = 433520640. Its totient is φ = 89020512.

The previous prime is 212211397. The next prime is 212211421. The reversal of 212211412 is 214112212.

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 294789 + ... + 295507.

It is an arithmetic number, because the mean of its divisors is an integer number (9031680).

Almost surely, 2^212211412 is an apocalyptic number.

It is an amenable number.

212211412 is an abundant number, since it is smaller than the sum of its proper divisors (221309228).

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

212211412 is a wasteful number, since it uses less digits than its factorization.

212211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 212211412 is about 14567.4778874038. The cubic root of 212211412 is about 596.4713363858.

Adding to 212211412 its reverse (214112212), we get a palindrome (426323624).

The spelling of 212211412 in words is "two hundred twelve million, two hundred eleven thousand, four hundred twelve".