212021122120120 has 16 divisors (see below), whose sum is σ = 477047524770360. Its totient is φ = 84808448848032.

The previous prime is 212021122119977. The next prime is 212021122120187. The reversal of 212021122120120 is 21021221120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650264026462 + ... + 2650264026541.

Almost surely, 2^{212021122120120} is an apocalyptic number.

212021122120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021122120120 is an abundant number, since it is smaller than the sum of its proper divisors (265026402650240).

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

212021122120120 is a wasteful number, since it uses less digits than its factorization.

212021122120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300528053014 (or 5300528053010 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212021122120120 its reverse (21021221120212), we get a palindrome (233042343240332).

The spelling of 212021122120120 in words is "two hundred twelve trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty".