12253304521522 has 8 divisors (see below), whose sum is σ = 18569440873116. Its totient is φ = 6063490897152.

The previous prime is 12253304521511. The next prime is 12253304521541. The reversal of 12253304521522 is 22512540335221.

It can be written as a sum of positive squares in 2 ways, for example, as 12251477044521 + 1827477001 = 3500211^2 + 42749^2 .

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

It is a super-2 number, since 2×12253304521522² (a number of 27 digits) contains 22 as substring.

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, 31580681563 + ... + 31580681950.

Almost surely, 2^{12253304521522} is an apocalyptic number.

12253304521522 is a deficient number, since it is larger than the sum of its proper divisors (6316136351594).

12253304521522 is an equidigital number, since it uses as much as digits as its factorization.

12253304521522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63161363612.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 12253304521522 its reverse (22512540335221), we get a palindrome (34765844856743).

The spelling of 12253304521522 in words is "twelve trillion, two hundred fifty-three billion, three hundred four million, five hundred twenty-one thousand, five hundred twenty-two".