12535194142 has 16 divisors (see below), whose sum is σ = 19198689120. Its totient is φ = 6136998912.

The previous prime is 12535194107. The next prime is 12535194187. The reversal of 12535194142 is 24149153521.

It is a super-2 number, since 2×12535194142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323523 + ... + 360190.

It is an arithmetic number, because the mean of its divisors is an integer number (1199918070).

Almost surely, 2^12535194142 is an apocalyptic number.

12535194142 is a deficient number, since it is larger than the sum of its proper divisors (6663494978).

12535194142 is a wasteful number, since it uses less digits than its factorization.

12535194142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683907.

The product of its digits is 43200, while the sum is 37.

The spelling of 12535194142 in words is "twelve billion, five hundred thirty-five million, one hundred ninety-four thousand, one hundred forty-two".