12222525042 has 96 divisors (see below), whose sum is σ = 32898483072. Its totient is φ = 3193350912.

The previous prime is 12222525017. The next prime is 12222525079. The reversal of 12222525042 is 24052522221.

It is a happy number.

12222525042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12222524997 and 12222525015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140398 + ... + 210134.

It is an arithmetic number, because the mean of its divisors is an integer number (342692532).

Almost surely, 2^12222525042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222525042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16449241536).

12222525042 is an abundant number, since it is smaller than the sum of its proper divisors (20675958030).

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

12222525042 is a wasteful number, since it uses less digits than its factorization.

12222525042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69872 (or 69869 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 12222525042 in words is "twelve billion, two hundred twenty-two million, five hundred twenty-five thousand, forty-two".