212021033120 has 48 divisors (see below), whose sum is σ = 539430441480. Its totient is φ = 78284688384.

The previous prime is 212021033099. The next prime is 212021033167. The reversal of 212021033120 is 21330120212.

It can be written as a sum of positive squares in 4 ways, for example, as 175752115984 + 36268917136 = 419228^2 + 190444^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50964515 + ... + 50968674.

Almost surely, 2^212021033120 is an apocalyptic number.

212021033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021033120 is an abundant number, since it is smaller than the sum of its proper divisors (327409408360).

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

212021033120 is a wasteful number, since it uses less digits than its factorization.

212021033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101933217 (or 101933209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212021033120 its reverse (21330120212), we get a palindrome (233351153332).

The spelling of 212021033120 in words is "two hundred twelve billion, twenty-one million, thirty-three thousand, one hundred twenty".