30202015212 has 96 divisors (see below), whose sum is σ = 82652998400. Its totient is φ = 9537244560.

The previous prime is 30202015211. The next prime is 30202015213. The reversal of 30202015212 is 21251020203.

It is an interprime number because it is at equal distance from previous prime (30202015211) and next prime (30202015213).

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

It is not an unprimeable number, because it can be changed into a prime (30202015211) by changing a digit.

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, 720387 + ... + 761157.

Almost surely, 2^30202015212 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 30202015212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41326499200).

30202015212 is an abundant number, since it is smaller than the sum of its proper divisors (52450983188).

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

30202015212 is a wasteful number, since it uses less digits than its factorization.

30202015212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40841 (or 40795 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 30202015212 its reverse (21251020203), we get a palindrome (51453035415).

The spelling of 30202015212 in words is "thirty billion, two hundred two million, fifteen thousand, two hundred twelve".