4011312220 has 12 divisors (see below), whose sum is σ = 8423755704. Its totient is φ = 1604524880.

The previous prime is 4011312157. The next prime is 4011312223. The reversal of 4011312220 is 222131104.

It is a junction number, because it is equal to n+sod(n) for n = 4011312194 and 4011312203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011312223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100282786 + ... + 100282825.

It is an arithmetic number, because the mean of its divisors is an integer number (701979642).

Almost surely, 2^4011312220 is an apocalyptic number.

It is an amenable number.

4011312220 is an abundant number, since it is smaller than the sum of its proper divisors (4412443484).

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

4011312220 is a wasteful number, since it uses less digits than its factorization.

4011312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200565620 (or 200565618 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4011312220 is about 63334.9210151872. The cubic root of 4011312220 is about 1588.8960626891.

Adding to 4011312220 its reverse (222131104), we get a palindrome (4233443324).

The spelling of 4011312220 in words is "four billion, eleven million, three hundred twelve thousand, two hundred twenty".