212201100200120 has 32 divisors (see below), whose sum is σ = 477733826502000. Its totient is φ = 84830422115328.

The previous prime is 212201100200113. The next prime is 212201100200123. The reversal of 212201100200120 is 21002001102212.

It is a super-2 number, since 2×212201100200120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212201100200095 and 212201100200104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201100200123) 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, 1562992670 + ... + 1563128429.

Almost surely, 2^{212201100200120} is an apocalyptic number.

212201100200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201100200120 is an abundant number, since it is smaller than the sum of its proper divisors (265532726301880).

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

212201100200120 is a wasteful number, since it uses less digits than its factorization.

212201100200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126122807 (or 3126122803 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212201100200120 its reverse (21002001102212), we get a palindrome (233203101302332).

The spelling of 212201100200120 in words is "two hundred twelve trillion, two hundred one billion, one hundred million, two hundred thousand, one hundred twenty".