12012141435544 has 128 divisors (see below), whose sum is σ = 25070752143360. Its totient is φ = 5371459043328.

The previous prime is 12012141435533. The next prime is 12012141435557. The reversal of 12012141435544 is 44553414121021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45770104 + ... + 46031800.

It is an arithmetic number, because the mean of its divisors is an integer number (195865251120).

Almost surely, 2^{12012141435544} is an apocalyptic number.

It is an amenable number.

12012141435544 is an abundant number, since it is smaller than the sum of its proper divisors (13058610707816).

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

12012141435544 is a wasteful number, since it uses less digits than its factorization.

12012141435544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261977 (or 261973 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 12012141435544 its reverse (44553414121021), we get a palindrome (56565555556565).

The spelling of 12012141435544 in words is "twelve trillion, twelve billion, one hundred forty-one million, four hundred thirty-five thousand, five hundred forty-four".