212220120202300 has 144 divisors (see below), whose sum is σ = 535622640456960. Its totient is φ = 71482950167040.

The previous prime is 212220120202253. The next prime is 212220120202303. The reversal of 212220120202300 is 3202021022212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220120202303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196912 + ... + 20602888.

It is an arithmetic number, because the mean of its divisors is an integer number (3719601669840).

Almost surely, 2^{212220120202300} is an apocalyptic number.

212220120202300 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 212220120202300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267811320228480).

212220120202300 is an abundant number, since it is smaller than the sum of its proper divisors (323402520254660).

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

212220120202300 is a wasteful number, since it uses less digits than its factorization.

212220120202300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20406260 (or 20406253 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212220120202300 its reverse (3202021022212), we get a palindrome (215422141224512).

The spelling of 212220120202300 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, three hundred".