212423302097 has 2 divisors, whose sum is σ = 212423302098. Its totient is φ = 212423302096.

The previous prime is 212423302093. The next prime is 212423302121. The reversal of 212423302097 is 790203324212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140918402881 + 71504899216 = 375391^2 + 267404^2 .

It is a cyclic number.

It is not a de Polignac number, because 212423302097 - 2² = 212423302093 is a prime.

It is not a weakly prime, because it can be changed into another prime (212423302093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106211651048 + 106211651049.

It is an arithmetic number, because the mean of its divisors is an integer number (106211651049).

Almost surely, 2^212423302097 is an apocalyptic number.

It is an amenable number.

212423302097 is a deficient number, since it is larger than the sum of its proper divisors (1).

212423302097 is an equidigital number, since it uses as much as digits as its factorization.

212423302097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 212423302097 in words is "two hundred twelve billion, four hundred twenty-three million, three hundred two thousand, ninety-seven".