212434432011 has 12 divisors (see below), whose sum is σ = 306904108680. Its totient is φ = 141597859200.

The previous prime is 212434431991. The next prime is 212434432061. The reversal of 212434432011 is 110234434212.

212434432011 is a `hidden beast` number, since 2 + 12 + 4 + 3 + 443 + 201 + 1 = 666.

It is not a de Polignac number, because 212434432011 - 2⁶ = 212434431947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212434432061) 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, 2037606 + ... + 2139323.

It is an arithmetic number, because the mean of its divisors is an integer number (25575342390).

Almost surely, 2^212434432011 is an apocalyptic number.

212434432011 is a deficient number, since it is larger than the sum of its proper divisors (94469676669).

212434432011 is a wasteful number, since it uses less digits than its factorization.

212434432011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182586 (or 4182583 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 212434432011 its reverse (110234434212), we get a palindrome (322668866223).

The spelling of 212434432011 in words is "two hundred twelve billion, four hundred thirty-four million, four hundred thirty-two thousand, eleven".