121443142012013 has 8 divisors (see below), whose sum is σ = 121543087123776. Its totient is φ = 121343237330400.

The previous prime is 121443142012009. The next prime is 121443142012057. The reversal of 121443142012013 is 310210241344121.

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

It is a cyclic number.

It is not a de Polignac number, because 121443142012013 - 2² = 121443142012009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121443142012063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4096043 + ... + 16114088.

It is an arithmetic number, because the mean of its divisors is an integer number (15192885890472).

Almost surely, 2^{121443142012013} is an apocalyptic number.

It is an amenable number.

121443142012013 is a deficient number, since it is larger than the sum of its proper divisors (99945111763).

121443142012013 is a wasteful number, since it uses less digits than its factorization.

121443142012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215075.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 121443142012013 its reverse (310210241344121), we get a palindrome (431653383356134).

The spelling of 121443142012013 in words is "one hundred twenty-one trillion, four hundred forty-three billion, one hundred forty-two million, twelve thousand, thirteen".