12535253522 has 8 divisors (see below), whose sum is σ = 20512233072. Its totient is φ = 5697842500.

The previous prime is 12535253519. The next prime is 12535253539. The reversal of 12535253522 is 22535253521.

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, 284892104 + ... + 284892147.

It is an arithmetic number, because the mean of its divisors is an integer number (2564029134).

Almost surely, 2^12535253522 is an apocalyptic number.

12535253522 is a deficient number, since it is larger than the sum of its proper divisors (7976979550).

12535253522 is a wasteful number, since it uses less digits than its factorization.

12535253522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569784264.

The product of its digits is 90000, while the sum is 35.

Subtracting 12535253522 from its reverse (22535253521), we obtain a palindrome (9999999999).

The spelling of 12535253522 in words is "twelve billion, five hundred thirty-five million, two hundred fifty-three thousand, five hundred twenty-two".