30020202212 has 144 divisors (see below), whose sum is σ = 71937133632. Its totient is φ = 10775358720.

The previous prime is 30020202211. The next prime is 30020202241. The reversal of 30020202212 is 21220202003.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (30020202211) 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, 24748118 + ... + 24749330.

It is an arithmetic number, because the mean of its divisors is an integer number (499563428).

Almost surely, 2^30020202212 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 30020202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35968566816).

30020202212 is an abundant number, since it is smaller than the sum of its proper divisors (41916931420).

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

30020202212 is a wasteful number, since it uses less digits than its factorization.

30020202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 30020202212 its reverse (21220202003), we get a palindrome (51240404215).

It can be divided in two parts, 30020 and 202212, that added together give a palindrome (232232).

The spelling of 30020202212 in words is "thirty billion, twenty million, two hundred two thousand, two hundred twelve".