42204123112 has 16 divisors (see below), whose sum is σ = 81271453860. Its totient is φ = 20531735424.

The previous prime is 42204123061. The next prime is 42204123133. The reversal of 42204123112 is 21132140224.

It can be written as a sum of positive squares in 2 ways, for example, as 41825976196 + 378146916 = 204514^2 + 19446^2 .

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, 71290453 + ... + 71291044.

Almost surely, 2^42204123112 is an apocalyptic number.

It is an amenable number.

42204123112 is a deficient number, since it is larger than the sum of its proper divisors (39067330748).

42204123112 is a wasteful number, since it uses less digits than its factorization.

42204123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142581540 (or 142581536 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42204123112 its reverse (21132140224), we get a palindrome (63336263336).

The spelling of 42204123112 in words is "forty-two billion, two hundred four million, one hundred twenty-three thousand, one hundred twelve".