212201001201100 has 36 divisors (see below), whose sum is σ = 460514783073744. Its totient is φ = 84873283343680.

The previous prime is 212201001201073. The next prime is 212201001201107. The reversal of 212201001201100 is 1102100102212.

It is not an unprimeable number, because it can be changed into a prime (212201001201107) 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, 87765547 + ... + 90150946.

It is an arithmetic number, because the mean of its divisors is an integer number (12792077307604).

Almost surely, 2^{212201001201100} is an apocalyptic number.

212201001201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201001201100 is an abundant number, since it is smaller than the sum of its proper divisors (248313781872644).

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

212201001201100 is a wasteful number, since it uses less digits than its factorization.

212201001201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177928434 (or 177928427 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212201001201100 its reverse (1102100102212), we get a palindrome (213303101303312).

The spelling of 212201001201100 in words is "two hundred twelve trillion, two hundred one billion, one million, two hundred one thousand, one hundred".