212220202240212 has 24 divisors (see below), whose sum is σ = 495206237584800. Its totient is φ = 70736386600416.

The previous prime is 212220202240187. The next prime is 212220202240217. The reversal of 212220202240212 is 212042202022212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220202240217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459861387 + ... + 460322642.

It is an arithmetic number, because the mean of its divisors is an integer number (20633593232700).

Almost surely, 2^{212220202240212} is an apocalyptic number.

It is an amenable number.

212220202240212 is an abundant number, since it is smaller than the sum of its proper divisors (282986035344588).

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

212220202240212 is a wasteful number, since it uses less digits than its factorization.

212220202240212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920203255 (or 920203253 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212220202240212 its reverse (212042202022212), we get a palindrome (424262404262424).

The spelling of 212220202240212 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred two million, two hundred forty thousand, two hundred twelve".