212011001120120 has 64 divisors (see below), whose sum is σ = 488698036797600. Its totient is φ = 82729476126720.

The previous prime is 212011001120099. The next prime is 212011001120129. The reversal of 212011001120120 is 21021100110212.

It is a junction number, because it is equal to n+sod(n) for n = 212011001120095 and 212011001120104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011001120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15732311 + ... + 25913849.

Almost surely, 2^{212011001120120} is an apocalyptic number.

212011001120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011001120120 is an abundant number, since it is smaller than the sum of its proper divisors (276687035677480).

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

212011001120120 is a wasteful number, since it uses less digits than its factorization.

212011001120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194288 (or 10194284 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212011001120120 its reverse (21021100110212), we get a palindrome (233032101230332).

The spelling of 212011001120120 in words is "two hundred twelve trillion, eleven billion, one million, one hundred twenty thousand, one hundred twenty".