4022123112 has 48 divisors (see below), whose sum is σ = 12449430240. Its totient is φ = 1149177888.

The previous prime is 4022123099. The next prime is 4022123159. The reversal of 4022123112 is 2113212204.

It is a happy number.

4022123112 is a `hidden beast` number, since 402 + 21 + 231 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3989698 + ... + 3990705.

It is an arithmetic number, because the mean of its divisors is an integer number (259363130).

Almost surely, 2^4022123112 is an apocalyptic number.

4022123112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4022123112 is an abundant number, since it is smaller than the sum of its proper divisors (8427307128).

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

4022123112 is a wasteful number, since it uses less digits than its factorization.

4022123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980422 (or 7980415 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4022123112 is about 63420.2105956768. The cubic root of 4022123112 is about 1590.3221941112.

Adding to 4022123112 its reverse (2113212204), we get a palindrome (6135335316).

The spelling of 4022123112 in words is "four billion, twenty-two million, one hundred twenty-three thousand, one hundred twelve".