42112221124 has 12 divisors (see below), whose sum is σ = 76237641900. Its totient is φ = 20330037728.

The previous prime is 42112221119. The next prime is 42112221131.

42112221124 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 34626510724 + 7485710400 = 186082^2 + 86520^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42112221095 and 42112221104.

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, 181518079 + ... + 181518310.

It is an arithmetic number, because the mean of its divisors is an integer number (6353136825).

Almost surely, 2^42112221124 is an apocalyptic number.

It is an amenable number.

42112221124 is a deficient number, since it is larger than the sum of its proper divisors (34125420776).

42112221124 is a wasteful number, since it uses less digits than its factorization.

42112221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363036422 (or 363036420 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The spelling of 42112221124 in words is "forty-two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-four".