12121143320001 has 32 divisors (see below), whose sum is σ = 17658912614400. Its totient is φ = 7369747606080.

The previous prime is 12121143319939. The next prime is 12121143320003. The reversal of 12121143320001 is 10002334112121.

It is not a de Polignac number, because 12121143320001 - 2¹¹ = 12121143317953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121143320001.

It is not an unprimeable number, because it can be changed into a prime (12121143320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36922671 + ... + 37249508.

It is an arithmetic number, because the mean of its divisors is an integer number (551841019200).

Almost surely, 2^{12121143320001} is an apocalyptic number.

It is an amenable number.

12121143320001 is a deficient number, since it is larger than the sum of its proper divisors (5537769294399).

12121143320001 is a wasteful number, since it uses less digits than its factorization.

12121143320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74172309.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12121143320001 its reverse (10002334112121), we get a palindrome (22123477432122).

The spelling of 12121143320001 in words is "twelve trillion, one hundred twenty-one billion, one hundred forty-three million, three hundred twenty thousand, one".