212221120008 has 64 divisors (see below), whose sum is σ = 564006225600. Its totient is φ = 66353644800.

The previous prime is 212221119983. The next prime is 212221120009. The reversal of 212221120008 is 800021122212.

It is not an unprimeable number, because it can be changed into a prime (212221120009) 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 15 ways as a sum of consecutive naturals, for example, 2257891 + ... + 2350002.

It is an arithmetic number, because the mean of its divisors is an integer number (8812597275).

Almost surely, 2^212221120008 is an apocalyptic number.

It is an amenable number.

212221120008 is an abundant number, since it is smaller than the sum of its proper divisors (351785105592).

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

212221120008 is a wasteful number, since it uses less digits than its factorization.

212221120008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608022 (or 4608018 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 212221120008 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred twenty thousand, eight".