12111334140144 has 80 divisors (see below), whose sum is σ = 31342219366400. Its totient is φ = 4030070692608.

The previous prime is 12111334140133. The next prime is 12111334140161. The reversal of 12111334140144 is 44104143311121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74688177 + ... + 74850159.

It is an arithmetic number, because the mean of its divisors is an integer number (391777742080).

Almost surely, 2^{12111334140144} is an apocalyptic number.

It is an amenable number.

12111334140144 is an abundant number, since it is smaller than the sum of its proper divisors (19230885226256).

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

12111334140144 is a wasteful number, since it uses less digits than its factorization.

12111334140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164702 (or 164696 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 12111334140144 its reverse (44104143311121), we get a palindrome (56215477451265).

The spelling of 12111334140144 in words is "twelve trillion, one hundred eleven billion, three hundred thirty-four million, one hundred forty thousand, one hundred forty-four".