12001231112203 has 8 divisors (see below), whose sum is σ = 12218558214960. Its totient is φ = 11784367889760.

The previous prime is 12001231112183. The next prime is 12001231112209. The reversal of 12001231112203 is 30221113210021.

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 12001231112203 - 2³⁷ = 11863792158731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001231112209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115917868 + ... + 116021353.

It is an arithmetic number, because the mean of its divisors is an integer number (1527319776870).

Almost surely, 2^{12001231112203} is an apocalyptic number.

12001231112203 is a deficient number, since it is larger than the sum of its proper divisors (217327102757).

12001231112203 is an equidigital number, since it uses as much as digits as its factorization.

12001231112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231940157.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12001231112203 its reverse (30221113210021), we get a palindrome (42222344322224).

The spelling of 12001231112203 in words is "twelve trillion, one billion, two hundred thirty-one million, one hundred twelve thousand, two hundred three".