12631232535 has 16 divisors (see below), whose sum is σ = 20217670656. Its totient is φ = 6734091168.

The previous prime is 12631232521. The next prime is 12631232557. The reversal of 12631232535 is 53523213621.

It is not a de Polignac number, because 12631232535 - 2¹² = 12631228439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12631232496 and 12631232505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119359 + ... + 198768.

It is an arithmetic number, because the mean of its divisors is an integer number (1263604416).

Almost surely, 2^12631232535 is an apocalyptic number.

12631232535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12631232535 is a deficient number, since it is larger than the sum of its proper divisors (7586438121).

12631232535 is a wasteful number, since it uses less digits than its factorization.

12631232535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320782.

The product of its digits is 32400, while the sum is 33.

The spelling of 12631232535 in words is "twelve billion, six hundred thirty-one million, two hundred thirty-two thousand, five hundred thirty-five".