12540232135035 has 96 divisors (see below), whose sum is σ = 23782099131648. Its totient is φ = 6062259490560.

The previous prime is 12540232135019. The next prime is 12540232135037. The reversal of 12540232135035 is 53053123204521.

12540232135035 is a `hidden beast` number, since 1 + 2 + 5 + 40 + 232 + 1 + 350 + 35 = 666.

It is not a de Polignac number, because 12540232135035 - 2⁴ = 12540232135019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12540232135037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1093587372 + ... + 1093598838.

It is an arithmetic number, because the mean of its divisors is an integer number (247730199288).

Almost surely, 2^{12540232135035} is an apocalyptic number.

12540232135035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12540232135035 is a deficient number, since it is larger than the sum of its proper divisors (11241866996613).

12540232135035 is a wasteful number, since it uses less digits than its factorization.

12540232135035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17785 (or 17782 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 12540232135035 its reverse (53053123204521), we get a palindrome (65593355339556).

The spelling of 12540232135035 in words is "twelve trillion, five hundred forty billion, two hundred thirty-two million, one hundred thirty-five thousand, thirty-five".