212513520407 has 2 divisors, whose sum is σ = 212513520408. Its totient is φ = 212513520406.

The previous prime is 212513520377. The next prime is 212513520421. The reversal of 212513520407 is 704025315212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212513520407 - 2²⁶ = 212446411543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212513520497) 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, 106256760203 + 106256760204.

It is an arithmetic number, because the mean of its divisors is an integer number (106256760204).

Almost surely, 2^212513520407 is an apocalyptic number.

212513520407 is a deficient number, since it is larger than the sum of its proper divisors (1).

212513520407 is an equidigital number, since it uses as much as digits as its factorization.

212513520407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 212513520407 its reverse (704025315212), we get a palindrome (916538835619).

The spelling of 212513520407 in words is "two hundred twelve billion, five hundred thirteen million, five hundred twenty thousand, four hundred seven".