212201021010220 has 24 divisors (see below), whose sum is σ = 486133248133008. Its totient is φ = 77164007640000.

The previous prime is 212201021010163. The next prime is 212201021010263. The reversal of 212201021010220 is 22010120102212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212201021010194 and 212201021010203.

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, 482275047531 + ... + 482275047970.

It is an arithmetic number, because the mean of its divisors is an integer number (20255552005542).

Almost surely, 2^{212201021010220} is an apocalyptic number.

212201021010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201021010220 is an abundant number, since it is smaller than the sum of its proper divisors (273932227122788).

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

212201021010220 is a wasteful number, since it uses less digits than its factorization.

212201021010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964550095521 (or 964550095519 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212201021010220 its reverse (22010120102212), we get a palindrome (234211141112432).

The spelling of 212201021010220 in words is "two hundred twelve trillion, two hundred one billion, twenty-one million, ten thousand, two hundred twenty".