12342655521231 has 16 divisors (see below), whose sum is σ = 18807934708224. Its totient is φ = 7052916508704.

The previous prime is 12342655521223. The next prime is 12342655521257. The reversal of 12342655521231 is 13212555624321.

It is not a de Polignac number, because 12342655521231 - 2³ = 12342655521223 is a prime.

It is a super-2 number, since 2×12342655521231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342655541231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4540065 + ... + 6730341.

It is an arithmetic number, because the mean of its divisors is an integer number (1175495919264).

Almost surely, 2^{12342655521231} is an apocalyptic number.

12342655521231 is a deficient number, since it is larger than the sum of its proper divisors (6465279186993).

12342655521231 is a wasteful number, since it uses less digits than its factorization.

12342655521231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458630.

The product of its digits is 432000, while the sum is 42.

The spelling of 12342655521231 in words is "twelve trillion, three hundred forty-two billion, six hundred fifty-five million, five hundred twenty-one thousand, two hundred thirty-one".