212003322100 has 36 divisors (see below), whose sum is σ = 460368557964. Its totient is φ = 84742094080.

The previous prime is 212003322007. The next prime is 212003322121. The reversal of 212003322100 is 1223300212.

It can be written as a sum of positive squares in 6 ways, for example, as 7071464464 + 204931857636 = 84092^2 + 452694^2 .

It is a congruent number.

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, 596419 + ... + 883018.

It is an arithmetic number, because the mean of its divisors is an integer number (12788015499).

Almost surely, 2^212003322100 is an apocalyptic number.

212003322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212003322100 is an abundant number, since it is smaller than the sum of its proper divisors (248365235864).

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

212003322100 is a wasteful number, since it uses less digits than its factorization.

212003322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480884 (or 1480877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212003322100 its reverse (1223300212), we get a palindrome (213226622312).

The spelling of 212003322100 in words is "two hundred twelve billion, three million, three hundred twenty-two thousand, one hundred".