212201220200 has 48 divisors (see below), whose sum is σ = 493436801580. Its totient is φ = 84868623360.

The previous prime is 212201220193. The next prime is 212201220211. The reversal of 212201220200 is 2022102212.

It can be written as a sum of positive squares in 6 ways, for example, as 107480376964 + 104720843236 = 327842^2 + 323606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1437014 + ... + 1577786.

Almost surely, 2^212201220200 is an apocalyptic number.

212201220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201220200 is an abundant number, since it is smaller than the sum of its proper divisors (281235581380).

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

212201220200 is a wasteful number, since it uses less digits than its factorization.

212201220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148326 (or 148317 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212201220200 its reverse (2022102212), we get a palindrome (214223322412).

The spelling of 212201220200 in words is "two hundred twelve billion, two hundred one million, two hundred twenty thousand, two hundred".