3428120112 has 20 divisors (see below), whose sum is σ = 8855977080. Its totient is φ = 1142706688.

The previous prime is 3428120081. The next prime is 3428120119. The reversal of 3428120112 is 2110218243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3428120119) 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, 35709537 + ... + 35709632.

It is an arithmetic number, because the mean of its divisors is an integer number (442798854).

Almost surely, 2^3428120112 is an apocalyptic number.

It is an amenable number.

3428120112 is an abundant number, since it is smaller than the sum of its proper divisors (5427856968).

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

3428120112 is a wasteful number, since it uses less digits than its factorization.

3428120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71419180 (or 71419174 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3428120112 is about 58550.1504011732. The cubic root of 3428120112 is about 1507.8287159433.

Adding to 3428120112 its reverse (2110218243), we get a palindrome (5538338355).

The spelling of 3428120112 in words is "three billion, four hundred twenty-eight million, one hundred twenty thousand, one hundred twelve".