30222212412 has 96 divisors (see below), whose sum is σ = 84315248640. Its totient is φ = 8245025280.

The previous prime is 30222212393. The next prime is 30222212437. The reversal of 30222212412 is 21421222203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 68514 + ... + 255222.

It is an arithmetic number, because the mean of its divisors is an integer number (878283840).

Almost surely, 2^30222212412 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 30222212412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42157624320).

30222212412 is an abundant number, since it is smaller than the sum of its proper divisors (54093036228).

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

30222212412 is a wasteful number, since it uses less digits than its factorization.

30222212412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186811 (or 186809 counting only the distinct ones).

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

Adding to 30222212412 its reverse (21421222203), we get a palindrome (51643434615).

The spelling of 30222212412 in words is "thirty billion, two hundred twenty-two million, two hundred twelve thousand, four hundred twelve".