30212302122 has 96 divisors (see below), whose sum is σ = 68375923200. Its totient is φ = 9632286720.

The previous prime is 30212302093. The next prime is 30212302129. The reversal of 30212302122 is 22120321203.

30212302122 is a `hidden beast` number, since 30 + 212 + 302 + 122 = 666.

It is a super-2 number, since 2×30212302122² (a number of 22 digits) contains 22 as substring.

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 = 30212302095 and 30212302104.

It is not an unprimeable number, because it can be changed into a prime (30212302129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21230703 + ... + 21232125.

It is an arithmetic number, because the mean of its divisors is an integer number (712249200).

Almost surely, 2^30212302122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30212302122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34187961600).

30212302122 is an abundant number, since it is smaller than the sum of its proper divisors (38163621078).

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

30212302122 is a wasteful number, since it uses less digits than its factorization.

30212302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1985 counting only the distinct ones).

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

Adding to 30212302122 its reverse (22120321203), we get a palindrome (52332623325).

The spelling of 30212302122 in words is "thirty billion, two hundred twelve million, three hundred two thousand, one hundred twenty-two".