212113631399 has 2 divisors, whose sum is σ = 212113631400. Its totient is φ = 212113631398.

The previous prime is 212113631351. The next prime is 212113631419. The reversal of 212113631399 is 993136311212.

212113631399 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212113631399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212113631329) 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, 106056815699 + 106056815700.

It is an arithmetic number, because the mean of its divisors is an integer number (106056815700).

Almost surely, 2^212113631399 is an apocalyptic number.

212113631399 is a deficient number, since it is larger than the sum of its proper divisors (1).

212113631399 is an equidigital number, since it uses as much as digits as its factorization.

212113631399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The spelling of 212113631399 in words is "two hundred twelve billion, one hundred thirteen million, six hundred thirty-one thousand, three hundred ninety-nine".