212020945723 has 2 divisors, whose sum is σ = 212020945724. Its totient is φ = 212020945722.

The previous prime is 212020945693. The next prime is 212020945727. The reversal of 212020945723 is 327549020212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212020945723 - 2⁵ = 212020945691 is a prime.

It is not a weakly prime, because it can be changed into another prime (212020945727) 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, 106010472861 + 106010472862.

It is an arithmetic number, because the mean of its divisors is an integer number (106010472862).

Almost surely, 2^212020945723 is an apocalyptic number.

212020945723 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020945723 is an equidigital number, since it uses as much as digits as its factorization.

212020945723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 212020945723 its reverse (327549020212), we get a palindrome (539569965935).

The spelling of 212020945723 in words is "two hundred twelve billion, twenty million, nine hundred forty-five thousand, seven hundred twenty-three".