12121141440024 has 48 divisors (see below), whose sum is σ = 32860307586600. Its totient is φ = 4036415410944.

The previous prime is 12121141439999. The next prime is 12121141440029. The reversal of 12121141440024 is 42004414112121.

12121141440024 is a `hidden beast` number, since 1 + 2 + 1 + 211 + 4 + 1 + 440 + 0 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12121141440024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121141440029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82531729 + ... + 82678464.

Almost surely, 2^{12121141440024} is an apocalyptic number.

It is an amenable number.

12121141440024 is an abundant number, since it is smaller than the sum of its proper divisors (20739166146576).

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

12121141440024 is a wasteful number, since it uses less digits than its factorization.

12121141440024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165211224 (or 165211217 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 12121141440024 its reverse (42004414112121), we get a palindrome (54125555552145).

The spelling of 12121141440024 in words is "twelve trillion, one hundred twenty-one billion, one hundred forty-one million, four hundred forty thousand, twenty-four".