4121042112 has 168 divisors, whose sum is σ = 13446800640. Its totient is φ = 1194462720.

The previous prime is 4121042111. The next prime is 4121042119. The reversal of 4121042112 is 2112401214.

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

It is not an unprimeable number, because it can be changed into a prime (4121042111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131589 + ... + 159867.

It is an arithmetic number, because the mean of its divisors is an integer number (80040480).

Almost surely, 2^4121042112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4121042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6723400320).

4121042112 is an abundant number, since it is smaller than the sum of its proper divisors (9325758528).

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

4121042112 is a wasteful number, since it uses less digits than its factorization.

4121042112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28331 (or 28318 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4121042112 is about 64195.3433825227. The cubic root of 4121042112 is about 1603.2540690766.

Adding to 4121042112 its reverse (2112401214), we get a palindrome (6233443326).

The spelling of 4121042112 in words is "four billion, one hundred twenty-one million, forty-two thousand, one hundred twelve".