12321065611142 has 4 divisors (see below), whose sum is σ = 18481598416716. Its totient is φ = 6160532805570.

The previous prime is 12321065611133. The next prime is 12321065611177. The reversal of 12321065611142 is 24111656012321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×12321065611142³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080266402784 + ... + 3080266402787.

It is an arithmetic number, because the mean of its divisors is an integer number (4620399604179).

Almost surely, 2^{12321065611142} is an apocalyptic number.

12321065611142 is a deficient number, since it is larger than the sum of its proper divisors (6160532805574).

12321065611142 is an equidigital number, since it uses as much as digits as its factorization.

12321065611142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160532805573.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 12321065611142 in words is "twelve trillion, three hundred twenty-one billion, sixty-five million, six hundred eleven thousand, one hundred forty-two".