212301132333397 has 2 divisors, whose sum is σ = 212301132333398. Its totient is φ = 212301132333396.

The previous prime is 212301132333377. The next prime is 212301132333421. The reversal of 212301132333397 is 793333231103212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201057624711441 + 11243507621956 = 14179479^2 + 3353134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212301132333397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212301132333307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106150566166698 + 106150566166699.

It is an arithmetic number, because the mean of its divisors is an integer number (106150566166699).

Almost surely, 2^{212301132333397} is an apocalyptic number.

It is an amenable number.

212301132333397 is a deficient number, since it is larger than the sum of its proper divisors (1).

212301132333397 is an equidigital number, since it uses as much as digits as its factorization.

212301132333397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 43.

The spelling of 212301132333397 in words is "two hundred twelve trillion, three hundred one billion, one hundred thirty-two million, three hundred thirty-three thousand, three hundred ninety-seven".