212201323011 has 12 divisors (see below), whose sum is σ = 306523297080. Its totient is φ = 141462806400.

The previous prime is 212201322973. The next prime is 212201323013. The reversal of 212201323011 is 110323102212.

212201323011 is a `hidden beast` number, since 212 + 20 + 132 + 301 + 1 = 666.

It is not a de Polignac number, because 212201323011 - 2⁹ = 212201322499 is a prime.

It is a super-2 number, since 2×212201323011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212201323013) 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 11 ways as a sum of consecutive naturals, for example, 100206 + ... + 659123.

It is an arithmetic number, because the mean of its divisors is an integer number (25543608090).

Almost surely, 2^212201323011 is an apocalyptic number.

212201323011 is a deficient number, since it is larger than the sum of its proper divisors (94321974069).

212201323011 is a wasteful number, since it uses less digits than its factorization.

212201323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790386 (or 790383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212201323011 its reverse (110323102212), we get a palindrome (322524425223).

The spelling of 212201323011 in words is "two hundred twelve billion, two hundred one million, three hundred twenty-three thousand, eleven".