212201012020 has 12 divisors (see below), whose sum is σ = 445622125284. Its totient is φ = 84880404800.

The previous prime is 212201011993. The next prime is 212201012029. The reversal of 212201012020 is 20210102212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116114651536 + 96086360484 = 340756^2 + 309978^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201012029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305025281 + ... + 5305025320.

It is an arithmetic number, because the mean of its divisors is an integer number (37135177107).

Almost surely, 2^212201012020 is an apocalyptic number.

212201012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201012020 is an abundant number, since it is smaller than the sum of its proper divisors (233421113264).

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

212201012020 is a wasteful number, since it uses less digits than its factorization.

212201012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610050610 (or 10610050608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212201012020 its reverse (20210102212), we get a palindrome (232411114232).

The spelling of 212201012020 in words is "two hundred twelve billion, two hundred one million, twelve thousand, twenty".