42120002112 has 28 divisors (see below), whose sum is σ = 111442506096. Its totient is φ = 14040000640.

The previous prime is 42120002083. The next prime is 42120002147. The reversal of 42120002112 is 21120002124.

It is a junction number, because it is equal to n+sod(n) for n = 42120002091 and 42120002100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109687314 + ... + 109687697.

Almost surely, 2^42120002112 is an apocalyptic number.

It is an amenable number.

42120002112 is an abundant number, since it is smaller than the sum of its proper divisors (69322503984).

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

42120002112 is a wasteful number, since it uses less digits than its factorization.

42120002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219375026 (or 219375016 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 42120002112 its reverse (21120002124), we get a palindrome (63240004236).

The spelling of 42120002112 in words is "forty-two billion, one hundred twenty million, two thousand, one hundred twelve".