212436909007 has 2 divisors, whose sum is σ = 212436909008. Its totient is φ = 212436909006.

The previous prime is 212436909001. The next prime is 212436909037. The reversal of 212436909007 is 700909634212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212436909007 - 2¹¹ = 212436906959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212436909001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106218454503 + 106218454504.

It is an arithmetic number, because the mean of its divisors is an integer number (106218454504).

Almost surely, 2^212436909007 is an apocalyptic number.

212436909007 is a deficient number, since it is larger than the sum of its proper divisors (1).

212436909007 is an equidigital number, since it uses as much as digits as its factorization.

212436909007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 212436909007 in words is "two hundred twelve billion, four hundred thirty-six million, nine hundred nine thousand, seven".