30122230212 has 96 divisors (see below), whose sum is σ = 78688512000. Its totient is φ = 9964597536.

The previous prime is 30122230207. The next prime is 30122230277. The reversal of 30122230212 is 21203222103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17728539 + ... + 17730237.

It is an arithmetic number, because the mean of its divisors is an integer number (819672000).

Almost surely, 2^30122230212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30122230212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39344256000).

30122230212 is an abundant number, since it is smaller than the sum of its proper divisors (48566281788).

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

30122230212 is a wasteful number, since it uses less digits than its factorization.

30122230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2854 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30122230212 its reverse (21203222103), we get a palindrome (51325452315).

The spelling of 30122230212 in words is "thirty billion, one hundred twenty-two million, two hundred thirty thousand, two hundred twelve".