212020021121323 has 2 divisors, whose sum is σ = 212020021121324. Its totient is φ = 212020021121322.

The previous prime is 212020021121299. The next prime is 212020021121429. The reversal of 212020021121323 is 323121120020212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212020021121323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212020021121294 and 212020021121303.

It is not a weakly prime, because it can be changed into another prime (212020021121123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010010560661 + 106010010560662.

It is an arithmetic number, because the mean of its divisors is an integer number (106010010560662).

Almost surely, 2^{212020021121323} is an apocalyptic number.

212020021121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020021121323 is an equidigital number, since it uses as much as digits as its factorization.

212020021121323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212020021121323 its reverse (323121120020212), we get a palindrome (535141141141535).

The spelling of 212020021121323 in words is "two hundred twelve trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, three hundred twenty-three".