211120201212212 has 24 divisors (see below), whose sum is σ = 370337626942920. Its totient is φ = 105309536532480.

The previous prime is 211120201212211. The next prime is 211120201212301. The reversal of 211120201212212 is 212212102021112.

It can be written as a sum of positive squares in 4 ways, for example, as 67305517552036 + 143814683660176 = 8203994^2 + 11992276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120201212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895037 + ... + 20567972.

It is an arithmetic number, because the mean of its divisors is an integer number (15430734455955).

Almost surely, 2^{211120201212212} is an apocalyptic number.

It is an amenable number.

211120201212212 is a deficient number, since it is larger than the sum of its proper divisors (159217425730708).

211120201212212 is a wasteful number, since it uses less digits than its factorization.

211120201212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21468851 (or 21468849 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211120201212212 its reverse (212212102021112), we get a palindrome (423332303233324).

The spelling of 211120201212212 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred one million, two hundred twelve thousand, two hundred twelve".