12012111100203 has 8 divisors (see below), whose sum is σ = 16022824320000. Its totient is φ = 8004735973608.

The previous prime is 12012111100201. The next prime is 12012111100229. The reversal of 12012111100203 is 30200111121021.

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

It is not a de Polignac number, because 12012111100203 - 2¹ = 12012111100201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012111100201) 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, 834514903 + ... + 834529296.

It is an arithmetic number, because the mean of its divisors is an integer number (2002853040000).

Almost surely, 2^{12012111100203} is an apocalyptic number.

12012111100203 is a deficient number, since it is larger than the sum of its proper divisors (4010713219797).

12012111100203 is a wasteful number, since it uses less digits than its factorization.

12012111100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669046601.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12012111100203 its reverse (30200111121021), we get a palindrome (42212222221224).

The spelling of 12012111100203 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred thousand, two hundred three".