12002135653532 has 12 divisors (see below), whose sum is σ = 21004286936640. Its totient is φ = 6000910814496.

The previous prime is 12002135653457. The next prime is 12002135653561. The reversal of 12002135653532 is 23535653120021.

12002135653532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39080993 + ... + 39386904.

It is an arithmetic number, because the mean of its divisors is an integer number (1750357244720).

Almost surely, 2^{12002135653532} is an apocalyptic number.

It is an amenable number.

12002135653532 is a deficient number, since it is larger than the sum of its proper divisors (9002151283108).

12002135653532 is a wasteful number, since it uses less digits than its factorization.

12002135653532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78506140 (or 78506138 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 12002135653532 its reverse (23535653120021), we get a palindrome (35537788773553).

The spelling of 12002135653532 in words is "twelve trillion, two billion, one hundred thirty-five million, six hundred fifty-three thousand, five hundred thirty-two".