212201322123012 has 48 divisors (see below), whose sum is σ = 512773409820672. Its totient is φ = 68229068545440.

The previous prime is 212201322123001. The next prime is 212201322123017. The reversal of 212201322123012 is 210321223102212.

212201322123012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212201322123012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212201322123017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928930848 + ... + 929159255.

It is an arithmetic number, because the mean of its divisors is an integer number (10682779371264).

Almost surely, 2^{212201322123012} is an apocalyptic number.

It is an amenable number.

212201322123012 is an abundant number, since it is smaller than the sum of its proper divisors (300572087697660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212201322123012 is a wasteful number, since it uses less digits than its factorization.

212201322123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858090448 (or 1858090446 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212201322123012 its reverse (210321223102212), we get a palindrome (422522545225224).

The spelling of 212201322123012 in words is "two hundred twelve trillion, two hundred one billion, three hundred twenty-two million, one hundred twenty-three thousand, twelve".