212112020000 has 120 divisors (see below), whose sum is σ = 526898788416. Its totient is φ = 84020256000.

The previous prime is 212112019993. The next prime is 212112020039. The reversal of 212112020000 is 20211212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2008517 + ... + 2111483.

Almost surely, 2^212112020000 is an apocalyptic number.

212112020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212112020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263449394208).

212112020000 is an abundant number, since it is smaller than the sum of its proper divisors (314786768416).

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

212112020000 is a wasteful number, since it uses less digits than its factorization.

212112020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103100 (or 103077 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212112020000 its reverse (20211212), we get a palindrome (212132231212).

The spelling of 212112020000 in words is "two hundred twelve billion, one hundred twelve million, twenty thousand".