12220222300312 has 32 divisors (see below), whose sum is σ = 24685129854000. Its totient is φ = 5637889805184.

The previous prime is 12220222300309. The next prime is 12220222300313. The reversal of 12220222300312 is 21300322202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220222300313) 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, 22783578 + ... + 23313769.

Almost surely, 2^{12220222300312} is an apocalyptic number.

It is an amenable number.

12220222300312 is an abundant number, since it is smaller than the sum of its proper divisors (12464907553688).

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

12220222300312 is a wasteful number, since it uses less digits than its factorization.

12220222300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46099915 (or 46099911 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12220222300312 its reverse (21300322202221), we get a palindrome (33520544502533).

The spelling of 12220222300312 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, three hundred thousand, three hundred twelve".