212201112020 has 24 divisors (see below), whose sum is σ = 469076143200. Its totient is φ = 80413052832.

The previous prime is 212201112017. The next prime is 212201112089. The reversal of 212201112020 is 20211102212.

It is a junction number, because it is equal to n+sod(n) for n = 212201111986 and 212201112004.

It is a congruent number.

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, 279211610 + ... + 279212369.

It is an arithmetic number, because the mean of its divisors is an integer number (19544839300).

Almost surely, 2^212201112020 is an apocalyptic number.

212201112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201112020 is an abundant number, since it is smaller than the sum of its proper divisors (256875031180).

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

212201112020 is a wasteful number, since it uses less digits than its factorization.

212201112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558424007 (or 558424005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212201112020 its reverse (20211102212), we get a palindrome (232412214232).

The spelling of 212201112020 in words is "two hundred twelve billion, two hundred one million, one hundred twelve thousand, twenty".