212002211200120 has 128 divisors (see below), whose sum is σ = 525610850688000. Its totient is φ = 76316412142080.

The previous prime is 212002211200057. The next prime is 212002211200123. The reversal of 212002211200120 is 21002112200212.

It is a happy number.

212002211200120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212002211200094 and 212002211200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002211200123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51890961 + ... + 55827199.

It is an arithmetic number, because the mean of its divisors is an integer number (4106334771000).

Almost surely, 2^{212002211200120} is an apocalyptic number.

212002211200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212002211200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262805425344000).

212002211200120 is an abundant number, since it is smaller than the sum of its proper divisors (313608639487880).

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

212002211200120 is a wasteful number, since it uses less digits than its factorization.

212002211200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937493 (or 3937489 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212002211200120 its reverse (21002112200212), we get a palindrome (233004323400332).

The spelling of 212002211200120 in words is "two hundred twelve trillion, two billion, two hundred eleven million, two hundred thousand, one hundred twenty".