211601240012 has 48 divisors (see below), whose sum is σ = 383762883840. Its totient is φ = 101982585600.

The previous prime is 211601240009. The next prime is 211601240017. The reversal of 211601240012 is 210042106112.

It is a happy number.

211601240012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211601240017) 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 15 ways as a sum of consecutive naturals, for example, 37009778 + ... + 37015494.

It is an arithmetic number, because the mean of its divisors is an integer number (7995060080).

Almost surely, 2^211601240012 is an apocalyptic number.

It is an amenable number.

211601240012 is a deficient number, since it is larger than the sum of its proper divisors (172161643828).

211601240012 is a wasteful number, since it uses less digits than its factorization.

211601240012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882 (or 6880 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211601240012 its reverse (210042106112), we get a palindrome (421643346124).

The spelling of 211601240012 in words is "two hundred eleven billion, six hundred one million, two hundred forty thousand, twelve".