2020121312103 has 6 divisors (see below), whose sum is σ = 2917953006384. Its totient is φ = 1346747541396.

The previous prime is 2020121312059. The next prime is 2020121312113. The reversal of 2020121312103 is 3012131210202.

It is not a de Polignac number, because 2020121312103 - 2⁸ = 2020121311847 is a prime.

It is a super-2 number, since 2×2020121312103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020121312113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112228961775 + ... + 112228961792.

It is an arithmetic number, because the mean of its divisors is an integer number (486325501064).

Almost surely, 2^{2020121312103} is an apocalyptic number.

2020121312103 is a deficient number, since it is larger than the sum of its proper divisors (897831694281).

2020121312103 is a wasteful number, since it uses less digits than its factorization.

2020121312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224457923573 (or 224457923570 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2020121312103 its reverse (3012131210202), we get a palindrome (5032252522305).

The spelling of 2020121312103 in words is "two trillion, twenty billion, one hundred twenty-one million, three hundred twelve thousand, one hundred three".