12188288042 has 24 divisors (see below), whose sum is σ = 21589980768. Its totient is φ = 5055044760.

The previous prime is 12188288029. The next prime is 12188288051. The reversal of 12188288042 is 24088288121.

It is a junction number, because it is equal to n+sod(n) for n = 12188287984 and 12188288002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439508 + ... + 466415.

It is an arithmetic number, because the mean of its divisors is an integer number (899582532).

Almost surely, 2^12188288042 is an apocalyptic number.

12188288042 is a deficient number, since it is larger than the sum of its proper divisors (9401692726).

12188288042 is an equidigital number, since it uses as much as digits as its factorization.

12188288042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905994 (or 905963 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 12188288042 in words is "twelve billion, one hundred eighty-eight million, two hundred eighty-eight thousand, forty-two".