212120111122212 has 96 divisors (see below), whose sum is σ = 512016194421760. Its totient is φ = 68296066945920.

The previous prime is 212120111122163. The next prime is 212120111122243. The reversal of 212120111122212 is 212221111021212.

212120111122212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 957166083 + ... + 957387669.

Almost surely, 2^{212120111122212} is an apocalyptic number.

It is an amenable number.

212120111122212 is an abundant number, since it is smaller than the sum of its proper divisors (299896083299548).

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

212120111122212 is a wasteful number, since it uses less digits than its factorization.

212120111122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237281 (or 237279 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212120111122212 its reverse (212221111021212), we get a palindrome (424341222143424).

The spelling of 212120111122212 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twelve".