12111444144342 has 40 divisors (see below), whose sum is σ = 27152531406000. Its totient is φ = 4035076548336.

The previous prime is 12111444144301. The next prime is 12111444144361. The reversal of 12111444144342 is 24344144411121.

12111444144342 is a `hidden beast` number, since 1 + 21 + 1 + 144 + 414 + 43 + 42 = 666.

12111444144342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12111444144342² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12111444144297 and 12111444144306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18863842 + ... + 19495317.

It is an arithmetic number, because the mean of its divisors is an integer number (678813285150).

Almost surely, 2^{12111444144342} is an apocalyptic number.

12111444144342 is an abundant number, since it is smaller than the sum of its proper divisors (15041087261658).

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

12111444144342 is a wasteful number, since it uses less digits than its factorization.

12111444144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38361122 (or 38361113 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

Adding to 12111444144342 its reverse (24344144411121), we get a palindrome (36455588555463).

The spelling of 12111444144342 in words is "twelve trillion, one hundred eleven billion, four hundred forty-four million, one hundred forty-four thousand, three hundred forty-two".