2320220221212 has 48 divisors (see below), whose sum is σ = 5698910770560. Its totient is φ = 732685146048.

The previous prime is 2320220221211. The next prime is 2320220221217. The reversal of 2320220221212 is 2121220220232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320220221211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14687398 + ... + 14844530.

It is an arithmetic number, because the mean of its divisors is an integer number (118727307720).

Almost surely, 2^{2320220221212} is an apocalyptic number.

It is an amenable number.

2320220221212 is an abundant number, since it is smaller than the sum of its proper divisors (3378690549348).

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

2320220221212 is a wasteful number, since it uses less digits than its factorization.

2320220221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221922 (or 221920 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2320220221212 its reverse (2121220220232), we get a palindrome (4441440441444).

The spelling of 2320220221212 in words is "two trillion, three hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twelve".