212510326447 has 2 divisors, whose sum is σ = 212510326448. Its totient is φ = 212510326446.

The previous prime is 212510326433. The next prime is 212510326529. The reversal of 212510326447 is 744623015212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212510326447 - 2⁷ = 212510326319 is a prime.

It is a super-2 number, since 2×212510326447² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212510320447) 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, 106255163223 + 106255163224.

It is an arithmetic number, because the mean of its divisors is an integer number (106255163224).

Almost surely, 2^212510326447 is an apocalyptic number.

212510326447 is a deficient number, since it is larger than the sum of its proper divisors (1).

212510326447 is an equidigital number, since it uses as much as digits as its factorization.

212510326447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 212510326447 in words is "two hundred twelve billion, five hundred ten million, three hundred twenty-six thousand, four hundred forty-seven".