212020322123 has 2 divisors, whose sum is σ = 212020322124. Its totient is φ = 212020322122.

The previous prime is 212020322093. The next prime is 212020322131. The reversal of 212020322123 is 321223020212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212020322123 - 2⁸ = 212020321867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212020322095 and 212020322104.

It is not a weakly prime, because it can be changed into another prime (212020322153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010161061 + 106010161062.

It is an arithmetic number, because the mean of its divisors is an integer number (106010161062).

Almost surely, 2^212020322123 is an apocalyptic number.

212020322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020322123 is an equidigital number, since it uses as much as digits as its factorization.

212020322123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212020322123 its reverse (321223020212), we get a palindrome (533243342335).

The spelling of 212020322123 in words is "two hundred twelve billion, twenty million, three hundred twenty-two thousand, one hundred twenty-three".