212021112000 has 112 divisors (see below), whose sum is σ = 700093791072. Its totient is φ = 56538956800.

The previous prime is 212021111993. The next prime is 212021112019. The reversal of 212021112000 is 211120212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4393107 + ... + 4441106.

Almost surely, 2^212021112000 is an apocalyptic number.

212021112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021112000 is an abundant number, since it is smaller than the sum of its proper divisors (488072679072).

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

212021112000 is an equidigital number, since it uses as much as digits as its factorization.

212021112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834243 (or 8834223 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212021112000 its reverse (211120212), we get a palindrome (212232232212).

The spelling of 212021112000 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand".