3012122220 has 96 divisors (see below), whose sum is σ = 8984037888. Its totient is φ = 751414272.

The previous prime is 3012122209. The next prime is 3012122249. The reversal of 3012122220 is 222212103.

It is a happy number.

3012122220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3012122220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161499 + ... + 179181.

It is an arithmetic number, because the mean of its divisors is an integer number (93583728).

Almost surely, 2^3012122220 is an apocalyptic number.

3012122220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4492018944).

3012122220 is an abundant number, since it is smaller than the sum of its proper divisors (5971915668).

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

3012122220 is a wasteful number, since it uses less digits than its factorization.

3012122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17879 (or 17877 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3012122220 is about 54882.8044108535. The cubic root of 3012122220 is about 1444.1895448476.

Adding to 3012122220 its reverse (222212103), we get a palindrome (3234334323).

The spelling of 3012122220 in words is "three billion, twelve million, one hundred twenty-two thousand, two hundred twenty".