12535512640422 has 64 divisors (see below), whose sum is σ = 26808579141120. Its totient is φ = 3897973728000.

The previous prime is 12535512640403. The next prime is 12535512640423. The reversal of 12535512640422 is 22404621553521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535512640423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15742404 + ... + 16519512.

It is an arithmetic number, because the mean of its divisors is an integer number (418884049080).

Almost surely, 2^{12535512640422} is an apocalyptic number.

12535512640422 is an abundant number, since it is smaller than the sum of its proper divisors (14273066500698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12535512640422 is a wasteful number, since it uses less digits than its factorization.

12535512640422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780029.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 12535512640422 in words is "twelve trillion, five hundred thirty-five billion, five hundred twelve million, six hundred forty thousand, four hundred twenty-two".