212412304332243 has 6 divisors (see below), whose sum is σ = 306817772924364. Its totient is φ = 141608202888156.

The previous prime is 212412304332223. The next prime is 212412304332281. The reversal of 212412304332243 is 342233403214212.

212412304332243 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 12 + 304 + 332 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 212412304332243 - 2⁵ = 212412304332211 is a prime.

It is a super-2 number, since 2×212412304332243² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212412304332198 and 212412304332207.

It is not an unprimeable number, because it can be changed into a prime (212412304332223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11800683574005 + ... + 11800683574022.

It is an arithmetic number, because the mean of its divisors is an integer number (51136295487394).

Almost surely, 2^{212412304332243} is an apocalyptic number.

212412304332243 is a deficient number, since it is larger than the sum of its proper divisors (94405468592121).

212412304332243 is a wasteful number, since it uses less digits than its factorization.

212412304332243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23601367148033 (or 23601367148030 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 212412304332243 its reverse (342233403214212), we get a palindrome (554645707546455).

The spelling of 212412304332243 in words is "two hundred twelve trillion, four hundred twelve billion, three hundred four million, three hundred thirty-two thousand, two hundred forty-three".