4030312120 has 64 divisors (see below), whose sum is σ = 9391140000. Its totient is φ = 1554835968.

The previous prime is 4030312109. The next prime is 4030312157. The reversal of 4030312120 is 212130304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4030312094 and 4030312103.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1795719 + ... + 1797961.

Almost surely, 2^4030312120 is an apocalyptic number.

4030312120 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 4030312120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4695570000).

4030312120 is an abundant number, since it is smaller than the sum of its proper divisors (5360827880).

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

4030312120 is a wasteful number, since it uses less digits than its factorization.

4030312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4030312120 is about 63484.7392685833. The cubic root of 4030312120 is about 1591.4007565556.

Adding to 4030312120 its reverse (212130304), we get a palindrome (4242442424).

The spelling of 4030312120 in words is "four billion, thirty million, three hundred twelve thousand, one hundred twenty".