212632079209887 has 4 divisors (see below), whose sum is σ = 283509438946520. Its totient is φ = 141754719473256.

The previous prime is 212632079209841. The next prime is 212632079209909. The reversal of 212632079209887 is 788902970236212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212632079209887 - 2⁸ = 212632079209631 is a prime.

It is a super-2 number, since 2×212632079209887² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212632079209807) 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 in 3 ways as a sum of consecutive naturals, for example, 35438679868312 + ... + 35438679868317.

It is an arithmetic number, because the mean of its divisors is an integer number (70877359736630).

Almost surely, 2^{212632079209887} is an apocalyptic number.

212632079209887 is a deficient number, since it is larger than the sum of its proper divisors (70877359736633).

212632079209887 is an equidigital number, since it uses as much as digits as its factorization.

212632079209887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70877359736632.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 212632079209887 in words is "two hundred twelve trillion, six hundred thirty-two billion, seventy-nine million, two hundred nine thousand, eight hundred eighty-seven".