12012121331003 has 8 divisors (see below), whose sum is σ = 12030094293840. Its totient is φ = 11994154113280.

The previous prime is 12012121330997. The next prime is 12012121331017. The reversal of 12012121331003 is 30013312121021.

It is a happy number.

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 12012121331003 - 2³⁰ = 12011047589179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012121331303) 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, 2757683 + ... + 5623971.

It is an arithmetic number, because the mean of its divisors is an integer number (1503761786730).

Almost surely, 2^{12012121331003} is an apocalyptic number.

12012121331003 is a deficient number, since it is larger than the sum of its proper divisors (17972962837).

12012121331003 is an equidigital number, since it uses as much as digits as its factorization.

12012121331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872557.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12012121331003 its reverse (30013312121021), we get a palindrome (42025433452024).

The spelling of 12012121331003 in words is "twelve trillion, twelve billion, one hundred twenty-one million, three hundred thirty-one thousand, three".