212323133210985 has 16 divisors (see below), whose sum is σ = 377463347930880. Its totient is φ = 113239004379120.

The previous prime is 212323133210977. The next prime is 212323133210989. The reversal of 212323133210985 is 589012331323212.

212323133210985 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 2 + 313 + 321 + 0 + 9 + 8 + 5 = 666.

It is not a de Polignac number, because 212323133210985 - 2³ = 212323133210977 is a prime.

It is a super-2 number, since 2×212323133210985² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 212323133210985.

It is not an unprimeable number, because it can be changed into a prime (212323133210989) 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 15 ways as a sum of consecutive naturals, for example, 786381974721 + ... + 786381974990.

It is an arithmetic number, because the mean of its divisors is an integer number (23591459245680).

Almost surely, 2^{212323133210985} is an apocalyptic number.

It is an amenable number.

212323133210985 is a deficient number, since it is larger than the sum of its proper divisors (165140214719895).

212323133210985 is a wasteful number, since it uses less digits than its factorization.

212323133210985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572763949725 (or 1572763949719 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 212323133210985 in words is "two hundred twelve trillion, three hundred twenty-three billion, one hundred thirty-three million, two hundred ten thousand, nine hundred eighty-five".