12122101021203 has 20 divisors (see below), whose sum is σ = 18692463227328. Its totient is φ = 7820710334640.

The previous prime is 12122101021193. The next prime is 12122101021207. The reversal of 12122101021203 is 30212010122121.

It is not a de Polignac number, because 12122101021203 - 2²² = 12122096826899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122101021207) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2413796976 + ... + 2413801997.

Almost surely, 2^{12122101021203} is an apocalyptic number.

12122101021203 is a deficient number, since it is larger than the sum of its proper divisors (6570362206125).

12122101021203 is an equidigital number, since it uses as much as digits as its factorization.

12122101021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827599016 (or 4827599007 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12122101021203 its reverse (30212010122121), we get a palindrome (42334111143324).

The spelling of 12122101021203 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred three".