211986576412 has 48 divisors (see below), whose sum is σ = 402602116672. Its totient is φ = 97084915200.

The previous prime is 211986576377. The next prime is 211986576413. The reversal of 211986576412 is 214675689112.

211986576412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 211986576412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211986576413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7342918 + ... + 7371730.

Almost surely, 2^211986576412 is an apocalyptic number.

It is an amenable number.

211986576412 is a deficient number, since it is larger than the sum of its proper divisors (190615540260).

211986576412 is a wasteful number, since it uses less digits than its factorization.

211986576412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29918 (or 29916 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The spelling of 211986576412 in words is "two hundred eleven billion, nine hundred eighty-six million, five hundred seventy-six thousand, four hundred twelve".