212012100067 has 2 divisors, whose sum is σ = 212012100068. Its totient is φ = 212012100066.

The previous prime is 212012100037. The next prime is 212012100103. The reversal of 212012100067 is 760001210212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212012100067 - 2¹⁹ = 212011575779 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006050033 + 106006050034.

It is an arithmetic number, because the mean of its divisors is an integer number (106006050034).

Almost surely, 2^212012100067 is an apocalyptic number.

212012100067 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012100067 is an equidigital number, since it uses as much as digits as its factorization.

212012100067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 212012100067 its reverse (760001210212), we get a palindrome (972013310279).

The spelling of 212012100067 in words is "two hundred twelve billion, twelve million, one hundred thousand, sixty-seven".