211143023043212 has 24 divisors (see below), whose sum is σ = 397942569570000. Its totient is φ = 97445928879936.

The previous prime is 211143023043149. The next prime is 211143023043217. The reversal of 211143023043212 is 212340320341112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211143023043217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96767762 + ... + 98925657.

It is an arithmetic number, because the mean of its divisors is an integer number (16580940398750).

Almost surely, 2^{211143023043212} is an apocalyptic number.

It is an amenable number.

211143023043212 is a deficient number, since it is larger than the sum of its proper divisors (186799546526788).

211143023043212 is a wasteful number, since it uses less digits than its factorization.

211143023043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195714185 (or 195714183 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 211143023043212 its reverse (212340320341112), we get a palindrome (423483343384324).

The spelling of 211143023043212 in words is "two hundred eleven trillion, one hundred forty-three billion, twenty-three million, forty-three thousand, two hundred twelve".