3030311221212 has 96 divisors (see below), whose sum is σ = 7938537707520. Its totient is φ = 891591909120.

The previous prime is 3030311221159. The next prime is 3030311221213. The reversal of 3030311221212 is 2121221130303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030311221213) 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, 1691778 + ... + 2987094.

It is an arithmetic number, because the mean of its divisors is an integer number (82693101120).

Almost surely, 2^{3030311221212} 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 3030311221212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3969268853760).

3030311221212 is an abundant number, since it is smaller than the sum of its proper divisors (4908226486308).

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

3030311221212 is a wasteful number, since it uses less digits than its factorization.

3030311221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295851 (or 1295849 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3030311221212 its reverse (2121221130303), we get a palindrome (5151532351515).

Subtracting from 3030311221212 its reverse (2121221130303), we obtain a palindrome (909090090909).

It can be divided in two parts, 3030311 and 221212, that added together give a palindrome (3251523).

The spelling of 3030311221212 in words is "three trillion, thirty billion, three hundred eleven million, two hundred twenty-one thousand, two hundred twelve".