212224100412 has 24 divisors (see below), whose sum is σ = 512265070800. Its totient is φ = 68302009216.

The previous prime is 212224100381. The next prime is 212224100419. The reversal of 212224100412 is 214001422212.

It is a super-3 number, since 3×212224100412³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224100419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304919337 + ... + 304920032.

It is an arithmetic number, because the mean of its divisors is an integer number (21344377950).

Almost surely, 2^212224100412 is an apocalyptic number.

It is an amenable number.

212224100412 is an abundant number, since it is smaller than the sum of its proper divisors (300040970388).

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

212224100412 is a wasteful number, since it uses less digits than its factorization.

212224100412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609839405 (or 609839403 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212224100412 its reverse (214001422212), we get a palindrome (426225522624).

The spelling of 212224100412 in words is "two hundred twelve billion, two hundred twenty-four million, one hundred thousand, four hundred twelve".