212013107 has 2 divisors, whose sum is σ = 212013108. Its totient is φ = 212013106.

The previous prime is 212013101. The next prime is 212013119. The reversal of 212013107 is 701310212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212013107 is a prime.

It is not a weakly prime, because it can be changed into another prime (212013101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006553 + 106006554.

It is an arithmetic number, because the mean of its divisors is an integer number (106006554).

Almost surely, 2^212013107 is an apocalyptic number.

212013107 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013107 is an equidigital number, since it uses as much as digits as its factorization.

212013107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 212013107 is about 14560.6698678323. The cubic root of 212013107 is about 596.2854838117.

Adding to 212013107 its reverse (701310212), we get a palindrome (913323319).

The spelling of 212013107 in words is "two hundred twelve million, thirteen thousand, one hundred seven".