212322232949 has 2 divisors, whose sum is σ = 212322232950. Its totient is φ = 212322232948.

The previous prime is 212322232937. The next prime is 212322233003. The reversal of 212322232949 is 949232223212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151159996849 + 61162236100 = 388793^2 + 247310^2 .

It is a cyclic number.

It is not a de Polignac number, because 212322232949 - 2⁴ = 212322232933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212322232919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106161116474 + 106161116475.

It is an arithmetic number, because the mean of its divisors is an integer number (106161116475).

Almost surely, 2^212322232949 is an apocalyptic number.

It is an amenable number.

212322232949 is a deficient number, since it is larger than the sum of its proper divisors (1).

212322232949 is an equidigital number, since it uses as much as digits as its factorization.

212322232949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The spelling of 212322232949 in words is "two hundred twelve billion, three hundred twenty-two million, two hundred thirty-two thousand, nine hundred forty-nine".