12535522130 has 16 divisors (see below), whose sum is σ = 22707662040. Its totient is φ = 4982270592.

The previous prime is 12535522019. The next prime is 12535522133. The reversal of 12535522130 is 3122553521.

It can be written as a sum of positive squares in 4 ways, for example, as 10619096401 + 1916425729 = 103049^2 + 43777^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12535522093 and 12535522102.

It is not an unprimeable number, because it can be changed into a prime (12535522133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990635 + ... + 3993774.

Almost surely, 2^12535522130 is an apocalyptic number.

12535522130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12535522130 is a deficient number, since it is larger than the sum of its proper divisors (10172139910).

12535522130 is a wasteful number, since it uses less digits than its factorization.

12535522130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984573.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 12535522130 in words is "twelve billion, five hundred thirty-five million, five hundred twenty-two thousand, one hundred thirty".