211449577012 has 24 divisors (see below), whose sum is σ = 375588237920. Its totient is φ = 104138892000.

The previous prime is 211449576913. The next prime is 211449577013. The reversal of 211449577012 is 210775944112.

211449577012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211449577012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211449577013) 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, 5206039 + ... + 5246497.

Almost surely, 2^211449577012 is an apocalyptic number.

It is an amenable number.

211449577012 is a deficient number, since it is larger than the sum of its proper divisors (164138660908).

211449577012 is a wasteful number, since it uses less digits than its factorization.

211449577012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60031 (or 60029 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 211449577012 in words is "two hundred eleven billion, four hundred forty-nine million, five hundred seventy-seven thousand, twelve".