2020312132121 has 2 divisors, whose sum is σ = 2020312132122. Its totient is φ = 2020312132120.

The previous prime is 2020312132093. The next prime is 2020312132133. The reversal of 2020312132121 is 1212312130202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2004319747600 + 15992384521 = 1415740^2 + 126461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020312132121 is a prime.

It is a super-2 number, since 2×2020312132121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020312132093 and 2020312132102.

It is not a weakly prime, because it can be changed into another prime (2020312132151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010156066060 + 1010156066061.

It is an arithmetic number, because the mean of its divisors is an integer number (1010156066061).

Almost surely, 2^{2020312132121} is an apocalyptic number.

It is an amenable number.

2020312132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020312132121 is an equidigital number, since it uses as much as digits as its factorization.

2020312132121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2020312132121 its reverse (1212312130202), we get a palindrome (3232624262323).

The spelling of 2020312132121 in words is "two trillion, twenty billion, three hundred twelve million, one hundred thirty-two thousand, one hundred twenty-one".