12122020202103 has 32 divisors (see below), whose sum is σ = 20960737413120. Its totient is φ = 6779488497120.

The previous prime is 12122020202081. The next prime is 12122020202143. The reversal of 12122020202103 is 30120202022121.

12122020202103 is a `hidden beast` number, since 121 + 220 + 20 + 202 + 103 = 666.

It is not a de Polignac number, because 12122020202103 - 2²⁰ = 12122019153527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122020202143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682306788 + ... + 682324553.

It is an arithmetic number, because the mean of its divisors is an integer number (655023044160).

Almost surely, 2^{12122020202103} is an apocalyptic number.

12122020202103 is a deficient number, since it is larger than the sum of its proper divisors (8838717211017).

12122020202103 is a wasteful number, since it uses less digits than its factorization.

12122020202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364631404 (or 1364631398 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12122020202103 its reverse (30120202022121), we get a palindrome (42242222224224).

The spelling of 12122020202103 in words is "twelve trillion, one hundred twenty-two billion, twenty million, two hundred two thousand, one hundred three".