30022320212 has 12 divisors (see below), whose sum is σ = 55629593460. Its totient is φ = 14128150656.

The previous prime is 30022320193. The next prime is 30022320217. The reversal of 30022320212 is 21202322003.

It can be written as a sum of positive squares in 2 ways, for example, as 20424983056 + 9597337156 = 142916^2 + 97966^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022320217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220752287 + ... + 220752422.

It is an arithmetic number, because the mean of its divisors is an integer number (4635799455).

Almost surely, 2^30022320212 is an apocalyptic number.

It is an amenable number.

30022320212 is a deficient number, since it is larger than the sum of its proper divisors (25607273248).

30022320212 is a wasteful number, since it uses less digits than its factorization.

30022320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441504730 (or 441504728 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30022320212 its reverse (21202322003), we get a palindrome (51224642215).

The spelling of 30022320212 in words is "thirty billion, twenty-two million, three hundred twenty thousand, two hundred twelve".