211201120012112 has 20 divisors (see below), whose sum is σ = 409246779723540. Its totient is φ = 105589047825408.

The previous prime is 211201120012097. The next prime is 211201120012133. The reversal of 211201120012112 is 211210021102112.

It can be written as a sum of positive squares in 2 ways, for example, as 17955423163456 + 193245696848656 = 4237384^2 + 13901284^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 719359937 + ... + 719653472.

It is an arithmetic number, because the mean of its divisors is an integer number (20462338986177).

Almost surely, 2^{211201120012112} is an apocalyptic number.

It is an amenable number.

211201120012112 is a deficient number, since it is larger than the sum of its proper divisors (198045659711428).

211201120012112 is a wasteful number, since it uses less digits than its factorization.

211201120012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439022590 (or 1439022584 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211201120012112 its reverse (211210021102112), we get a palindrome (422411141114224).

The spelling of 211201120012112 in words is "two hundred eleven trillion, two hundred one billion, one hundred twenty million, twelve thousand, one hundred twelve".