12055331312142 has 8 divisors (see below), whose sum is σ = 24110662624296. Its totient is φ = 4018443770712.

The previous prime is 12055331312131. The next prime is 12055331312147. The reversal of 12055331312142 is 24121313355021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12055331312142 is an admirable number.

It is a super-2 number, since 2×12055331312142² (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 (12055331312147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004610942673 + ... + 1004610942684.

It is an arithmetic number, because the mean of its divisors is an integer number (3013832828037).

Almost surely, 2^{12055331312142} is an apocalyptic number.

12055331312142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12055331312142 is a wasteful number, since it uses less digits than its factorization.

12055331312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009221885362.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 12055331312142 its reverse (24121313355021), we get a palindrome (36176644667163).

The spelling of 12055331312142 in words is "twelve trillion, fifty-five billion, three hundred thirty-one million, three hundred twelve thousand, one hundred forty-two".