212000303100 has 72 divisors (see below), whose sum is σ = 628348251888. Its totient is φ = 55154547200.

The previous prime is 212000303087. The next prime is 212000303147. The reversal of 212000303100 is 1303000212.

It is a happy number.

It is a super-2 number, since 2×212000303100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8605599 + ... + 8630198.

It is an arithmetic number, because the mean of its divisors is an integer number (8727059054).

Almost surely, 2^212000303100 is an apocalyptic number.

212000303100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000303100 is an abundant number, since it is smaller than the sum of its proper divisors (416347948788).

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

212000303100 is a wasteful number, since it uses less digits than its factorization.

212000303100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235855 (or 17235848 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 212000303100 its reverse (1303000212), we get a palindrome (213303303312).

The spelling of 212000303100 in words is "two hundred twelve billion, three hundred three thousand, one hundred".