12012211311003 has 24 divisors (see below), whose sum is σ = 17775344517840. Its totient is φ = 7812302480640.

The previous prime is 12012211310987. The next prime is 12012211311011. The reversal of 12012211311003 is 30011311221021.

It is not a de Polignac number, because 12012211311003 - 2⁴ = 12012211310987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012211311053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4534888 + ... + 6677546.

It is an arithmetic number, because the mean of its divisors is an integer number (740639354910).

Almost surely, 2^{12012211311003} is an apocalyptic number.

12012211311003 is a deficient number, since it is larger than the sum of its proper divisors (5763133206837).

12012211311003 is a wasteful number, since it uses less digits than its factorization.

12012211311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157899 (or 2157896 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12012211311003 its reverse (30011311221021), we get a palindrome (42023522532024).

The spelling of 12012211311003 in words is "twelve trillion, twelve billion, two hundred eleven million, three hundred eleven thousand, three".