212302113033231 has 20 divisors (see below), whose sum is σ = 341538252117832. Its totient is φ = 130647454173648.

The previous prime is 212302113033229. The next prime is 212302113033259. The reversal of 212302113033231 is 132330311203212.

212302113033231 is a `hidden beast` number, since 2 + 1 + 2 + 30 + 2 + 1 + 1 + 303 + 323 + 1 = 666.

It is not a de Polignac number, because 212302113033231 - 2¹ = 212302113033229 is a prime.

It is a super-2 number, since 2×212302113033231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212302113033195 and 212302113033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302117033231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100808219761 + ... + 100808221866.

Almost surely, 2^{212302113033231} is an apocalyptic number.

212302113033231 is a deficient number, since it is larger than the sum of its proper divisors (129236139084601).

212302113033231 is a wasteful number, since it uses less digits than its factorization.

212302113033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201616441652 (or 201616441643 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 212302113033231 its reverse (132330311203212), we get a palindrome (344632424236443).

The spelling of 212302113033231 in words is "two hundred twelve trillion, three hundred two billion, one hundred thirteen million, thirty-three thousand, two hundred thirty-one".