12020132242 has 8 divisors (see below), whose sum is σ = 18047389500. Its totient is φ = 6004335744.

The previous prime is 12020132213. The next prime is 12020132263. The reversal of 12020132242 is 24223102021.

It can be written as a sum of positive squares in 2 ways, for example, as 9886523761 + 2133608481 = 99431^2 + 46191^2 .

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

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, 2862567 + ... + 2866762.

Almost surely, 2^12020132242 is an apocalyptic number.

12020132242 is a deficient number, since it is larger than the sum of its proper divisors (6027257258).

12020132242 is a wasteful number, since it uses less digits than its factorization.

12020132242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730380.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12020132242 its reverse (24223102021), we get a palindrome (36243234263).

The spelling of 12020132242 in words is "twelve billion, twenty million, one hundred thirty-two thousand, two hundred forty-two".