212011202020 has 24 divisors (see below), whose sum is σ = 445243688568. Its totient is φ = 84800640000.

The previous prime is 212011201937. The next prime is 212011202041. The reversal of 212011202020 is 20202110212.

It is a happy number.

212011202020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 65358967716 + 146652234304 = 255654^2 + 382952^2 .

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, 235570 + ... + 692470.

It is an arithmetic number, because the mean of its divisors is an integer number (18551820357).

Almost surely, 2^212011202020 is an apocalyptic number.

212011202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011202020 is an abundant number, since it is smaller than the sum of its proper divisors (233232486548).

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

212011202020 is a wasteful number, since it uses less digits than its factorization.

212011202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480111 (or 480109 counting only the distinct ones).

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

Adding to 212011202020 its reverse (20202110212), we get a palindrome (232213312232).

It can be divided in two parts, 21201 and 1202020, that added together give a palindrome (1223221).

The spelling of 212011202020 in words is "two hundred twelve billion, eleven million, two hundred two thousand, twenty".