211201221112012 has 24 divisors (see below), whose sum is σ = 370672246103040. Its totient is φ = 105294873250320.

The previous prime is 211201221111929. The next prime is 211201221112019. The reversal of 211201221112012 is 210211122102112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211201221112019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 106547689 + ... + 108511807.

It is an arithmetic number, because the mean of its divisors is an integer number (15444676920960).

Almost surely, 2^{211201221112012} is an apocalyptic number.

It is an amenable number.

211201221112012 is a deficient number, since it is larger than the sum of its proper divisors (159471024991028).

211201221112012 is a wasteful number, since it uses less digits than its factorization.

211201221112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041941 (or 2041939 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211201221112012 its reverse (210211122102112), we get a palindrome (421412343214124).

The spelling of 211201221112012 in words is "two hundred eleven trillion, two hundred one billion, two hundred twenty-one million, one hundred twelve thousand, twelve".