30201322122 has 64 divisors (see below), whose sum is σ = 68403916800. Its totient is φ = 9875416320.

The previous prime is 30201322121. The next prime is 30201322127. The reversal of 30201322122 is 22122310203.

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

It is a junction number, because it is equal to n+sod(n) for n = 30201322095 and 30201322104.

It is not an unprimeable number, because it can be changed into a prime (30201322121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 585622 + ... + 635102.

It is an arithmetic number, because the mean of its divisors is an integer number (1068811200).

Almost surely, 2^30201322122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30201322122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34201958400).

30201322122 is an abundant number, since it is smaller than the sum of its proper divisors (38202594678).

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

30201322122 is a wasteful number, since it uses less digits than its factorization.

30201322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49708 (or 49702 counting only the distinct ones).

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

Adding to 30201322122 its reverse (22122310203), we get a palindrome (52323632325).

The spelling of 30201322122 in words is "thirty billion, two hundred one million, three hundred twenty-two thousand, one hundred twenty-two".