3012203220 has 96 divisors (see below), whose sum is σ = 9185218560. Its totient is φ = 733117440.

The previous prime is 3012203213. The next prime is 3012203231. The reversal of 3012203220 is 223022103.

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 3012203220.

It is a congruent number.

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, 47725 + ... + 91115.

It is an arithmetic number, because the mean of its divisors is an integer number (95679360).

Almost surely, 2^3012203220 is an apocalyptic number.

3012203220 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 3012203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4592609280).

3012203220 is an abundant number, since it is smaller than the sum of its proper divisors (6173015340).

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

3012203220 is a wasteful number, since it uses less digits than its factorization.

3012203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43505 (or 43503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3012203220 is about 54883.5423419444. The cubic root of 3012203220 is about 1444.2024901285.

Adding to 3012203220 its reverse (223022103), we get a palindrome (3235225323).

The spelling of 3012203220 in words is "three billion, twelve million, two hundred three thousand, two hundred twenty".