212020311300 has 144 divisors (see below), whose sum is σ = 704604902400. Its totient is φ = 48218163840.

The previous prime is 212020311287. The next prime is 212020311319. The reversal of 212020311300 is 3113020212.

It is a super-2 number, since 2×212020311300² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212020311300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164227 + ... + 671573.

It is an arithmetic number, because the mean of its divisors is an integer number (4893089600).

Almost surely, 2^212020311300 is an apocalyptic number.

212020311300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020311300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352302451200).

212020311300 is an abundant number, since it is smaller than the sum of its proper divisors (492584591100).

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

212020311300 is a wasteful number, since it uses less digits than its factorization.

212020311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507570 (or 507563 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212020311300 its reverse (3113020212), we get a palindrome (215133331512).

The spelling of 212020311300 in words is "two hundred twelve billion, twenty million, three hundred eleven thousand, three hundred".