212120023303 has 2 divisors, whose sum is σ = 212120023304. Its totient is φ = 212120023302.

The previous prime is 212120023301. The next prime is 212120023363. The reversal of 212120023303 is 303320021212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212120023303 - 2¹ = 212120023301 is a prime.

Together with 212120023301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212120023301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106060011651 + 106060011652.

It is an arithmetic number, because the mean of its divisors is an integer number (106060011652).

Almost surely, 2^212120023303 is an apocalyptic number.

212120023303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212120023303 is an equidigital number, since it uses as much as digits as its factorization.

212120023303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212120023303 its reverse (303320021212), we get a palindrome (515440044515).

The spelling of 212120023303 in words is "two hundred twelve billion, one hundred twenty million, twenty-three thousand, three hundred three".