2012419220 has 54 divisors (see below), whose sum is σ = 4919485662. Its totient is φ = 689490816.

The previous prime is 2012419207. The next prime is 2012419223. The reversal of 2012419220 is 229142102.

It can be written as a sum of positive squares in 3 ways, for example, as 798175504 + 1214243716 = 28252^2 + 34846^2 .

It is a super-2 number, since 2×2012419220² = 8099662234050816800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012419223) 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 17 ways as a sum of consecutive naturals, for example, 1403624 + ... + 1405056.

Almost surely, 2^2012419220 is an apocalyptic number.

2012419220 is a gapful number since it is divisible by the number (20) 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 2012419220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459742831).

2012419220 is an abundant number, since it is smaller than the sum of its proper divisors (2907066442).

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

2012419220 is an equidigital number, since it uses as much as digits as its factorization.

2012419220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2012419220 is about 44859.9957646008. The cubic root of 2012419220 is about 1262.5235432658.

The spelling of 2012419220 in words is "two billion, twelve million, four hundred nineteen thousand, two hundred twenty".