4021412120 has 128 divisors (see below), whose sum is σ = 10151101440. Its totient is φ = 1421245440.

The previous prime is 4021412119. The next prime is 4021412123. The reversal of 4021412120 is 212141204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021412123) 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, 3370244 + ... + 3371436.

It is an arithmetic number, because the mean of its divisors is an integer number (79305480).

Almost surely, 2^4021412120 is an apocalyptic number.

4021412120 is a gapful number since it is divisible by the number (40) 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 4021412120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5075550720).

4021412120 is an abundant number, since it is smaller than the sum of its proper divisors (6129689320).

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

4021412120 is a wasteful number, since it uses less digits than its factorization.

4021412120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4021412120 is about 63414.6049423948. The cubic root of 4021412120 is about 1590.2284813333.

Adding to 4021412120 its reverse (212141204), we get a palindrome (4233553324).

The spelling of 4021412120 in words is "four billion, twenty-one million, four hundred twelve thousand, one hundred twenty".