12031210522 has 8 divisors (see below), whose sum is σ = 19108393236. Its totient is φ = 5661746112.

The previous prime is 12031210517. The next prime is 12031210547. The reversal of 12031210522 is 22501213021.

12031210522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9609684841 + 2421525681 = 98029^2 + 49209^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12031210522.

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 3 ways as a sum of consecutive naturals, for example, 176929533 + ... + 176929600.

Almost surely, 2^12031210522 is an apocalyptic number.

12031210522 is a deficient number, since it is larger than the sum of its proper divisors (7077182714).

12031210522 is a wasteful number, since it uses less digits than its factorization.

12031210522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353859152.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12031210522 its reverse (22501213021), we get a palindrome (34532423543).

The spelling of 12031210522 in words is "twelve billion, thirty-one million, two hundred ten thousand, five hundred twenty-two".