12033220042 has 8 divisors (see below), whose sum is σ = 18050412996. Its totient is φ = 6016415712.

The previous prime is 12033220027. The next prime is 12033220081. The reversal of 12033220042 is 24002233021.

It can be written as a sum of positive squares in 2 ways, for example, as 10716183361 + 1317036681 = 103519^2 + 36291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523 + ... + 155134.

Almost surely, 2^12033220042 is an apocalyptic number.

12033220042 is a deficient number, since it is larger than the sum of its proper divisors (6017192954).

12033220042 is a wasteful number, since it uses less digits than its factorization.

12033220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194312.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12033220042 its reverse (24002233021), we get a palindrome (36035453063).

The spelling of 12033220042 in words is "twelve billion, thirty-three million, two hundred twenty thousand, forty-two".