12342655521232 has 20 divisors (see below), whose sum is σ = 23980507604640. Its totient is φ = 6154137429728.

The previous prime is 12342655521223. The next prime is 12342655521257. The reversal of 12342655521232 is 23212555624321.

It is a happy number.

It is a super-2 number, since 2×12342655521232² (a number of 27 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074389758 + ... + 1074401245.

It is an arithmetic number, because the mean of its divisors is an integer number (1199025380232).

Almost surely, 2^{12342655521232} is an apocalyptic number.

It is an amenable number.

12342655521232 is a deficient number, since it is larger than the sum of its proper divisors (11637852083408).

12342655521232 is a wasteful number, since it uses less digits than its factorization.

12342655521232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148791370 (or 2148791364 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 12342655521232 in words is "twelve trillion, three hundred forty-two billion, six hundred fifty-five million, five hundred twenty-one thousand, two hundred thirty-two".