212210433243 has 12 divisors (see below), whose sum is σ = 306649962528. Its totient is φ = 141416492400.

The previous prime is 212210433241. The next prime is 212210433269. The reversal of 212210433243 is 342334012212.

212210433243 is a `hidden beast` number, since 2 + 1 + 221 + 0 + 433 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 212210433243 - 2¹ = 212210433241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212210433241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4737283 + ... + 4781868.

It is an arithmetic number, because the mean of its divisors is an integer number (25554163544).

Almost surely, 2^212210433243 is an apocalyptic number.

212210433243 is a deficient number, since it is larger than the sum of its proper divisors (94439529285).

212210433243 is a wasteful number, since it uses less digits than its factorization.

212210433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521634 (or 9521631 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 212210433243 its reverse (342334012212), we get a palindrome (554544445455).

The spelling of 212210433243 in words is "two hundred twelve billion, two hundred ten million, four hundred thirty-three thousand, two hundred forty-three".