212013330097 has 2 divisors, whose sum is σ = 212013330098. Its totient is φ = 212013330096.

The previous prime is 212013330091. The next prime is 212013330119. The reversal of 212013330097 is 790033310212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206960395041 + 5052935056 = 454929^2 + 71084^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013330097 - 2¹¹ = 212013328049 is a prime.

It is not a weakly prime, because it can be changed into another prime (212013330091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006665048 + 106006665049.

It is an arithmetic number, because the mean of its divisors is an integer number (106006665049).

Almost surely, 2^212013330097 is an apocalyptic number.

It is an amenable number.

212013330097 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013330097 is an equidigital number, since it uses as much as digits as its factorization.

212013330097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 212013330097 in words is "two hundred twelve billion, thirteen million, three hundred thirty thousand, ninety-seven".