212224026852 has 36 divisors (see below), whose sum is σ = 539667500736. Its totient is φ = 70317739440.

The previous prime is 212224026851. The next prime is 212224026853. The reversal of 212224026852 is 258620422212.

212224026852 is a `hidden beast` number, since 21 + 222 + 402 + 6 + 8 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (212224026851) and next prime (212224026853).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (212224026851) 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 11 ways as a sum of consecutive naturals, for example, 17644024 + ... + 17656047.

Almost surely, 2^212224026852 is an apocalyptic number.

It is an amenable number.

212224026852 is an abundant number, since it is smaller than the sum of its proper divisors (327443473884).

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

212224026852 is a wasteful number, since it uses less digits than its factorization.

212224026852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35300248 (or 35300243 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 212224026852 in words is "two hundred twelve billion, two hundred twenty-four million, twenty-six thousand, eight hundred fifty-two".