4012452120 has 128 divisors (see below), whose sum is σ = 12853209600. Its totient is φ = 999634944.

The previous prime is 4012452113. The next prime is 4012452121. The reversal of 4012452120 is 212542104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012452121) 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, 101776 + ... + 135584.

It is an arithmetic number, because the mean of its divisors is an integer number (100415700).

Almost surely, 2^4012452120 is an apocalyptic number.

4012452120 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 4012452120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6426604800).

4012452120 is an abundant number, since it is smaller than the sum of its proper divisors (8840757480).

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

4012452120 is a wasteful number, since it uses less digits than its factorization.

4012452120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33889 (or 33885 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4012452120 is about 63343.9193608984. The cubic root of 4012452120 is about 1589.0465546801.

Adding to 4012452120 its reverse (212542104), we get a palindrome (4224994224).

The spelling of 4012452120 in words is "four billion, twelve million, four hundred fifty-two thousand, one hundred twenty".