201224412 has 84 divisors (see below), whose sum is σ = 532632016. Its totient is φ = 66484800.

The previous prime is 201224363. The next prime is 201224467. The reversal of 201224412 is 214422102.

201224412 is a `hidden beast` number, since 201 + 22 + 441 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 440088 + ... + 440544.

Almost surely, 2^201224412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201224412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266316008).

201224412 is an abundant number, since it is smaller than the sum of its proper divisors (331407604).

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

201224412 is a wasteful number, since it uses less digits than its factorization.

201224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 201224412 is about 14185.3590719446. The cubic root of 201224412 is about 585.9945213371.

Adding to 201224412 its reverse (214422102), we get a palindrome (415646514).

The spelling of 201224412 in words is "two hundred one million, two hundred twenty-four thousand, four hundred twelve".