212131224300 has 144 divisors (see below), whose sum is σ = 629430776352. Its totient is φ = 55127654400.

The previous prime is 212131224299. The next prime is 212131224317. The reversal of 212131224300 is 3422131212.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11712852 + ... + 11730948.

It is an arithmetic number, because the mean of its divisors is an integer number (4371047058).

Almost surely, 2^212131224300 is an apocalyptic number.

212131224300 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 212131224300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314715388176).

212131224300 is an abundant number, since it is smaller than the sum of its proper divisors (417299552052).

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

212131224300 is a wasteful number, since it uses less digits than its factorization.

212131224300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108 (or 19101 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212131224300 its reverse (3422131212), we get a palindrome (215553355512).

The spelling of 212131224300 in words is "two hundred twelve billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred".