212115123301 has 2 divisors, whose sum is σ = 212115123302. Its totient is φ = 212115123300.

The previous prime is 212115123257. The next prime is 212115123343. The reversal of 212115123301 is 103321511212.

212115123301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185325945025 + 26789178276 = 430495^2 + 163674^2 .

It is a cyclic number.

It is not a de Polignac number, because 212115123301 - 2⁷ = 212115123173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212115123361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106057561650 + 106057561651.

It is an arithmetic number, because the mean of its divisors is an integer number (106057561651).

Almost surely, 2^212115123301 is an apocalyptic number.

It is an amenable number.

212115123301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212115123301 is an equidigital number, since it uses as much as digits as its factorization.

212115123301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 212115123301 its reverse (103321511212), we get a palindrome (315436634513).

The spelling of 212115123301 in words is "two hundred twelve billion, one hundred fifteen million, one hundred twenty-three thousand, three hundred one".