20120211120212 has 12 divisors (see below), whose sum is σ = 40240422240480. Its totient is φ = 8622947622936.

The previous prime is 20120211120211. The next prime is 20120211120271. The reversal of 20120211120212 is 21202111202102.

20120211120212 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120211120211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359289484262 + ... + 359289484317.

It is an arithmetic number, because the mean of its divisors is an integer number (3353368520040).

Almost surely, 2^{20120211120212} is an apocalyptic number.

It is an amenable number.

20120211120212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20120211120212 is a wasteful number, since it uses less digits than its factorization.

20120211120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718578968590 (or 718578968588 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20120211120212 its reverse (21202111202102), we get a palindrome (41322322322314).

The spelling of 20120211120212 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".