211642262012 has 12 divisors (see below), whose sum is σ = 370378231776. Its totient is φ = 105819910080.

The previous prime is 211642262009. The next prime is 211642262077. The reversal of 211642262012 is 210262246112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165437 + ... + 671307.

It is an arithmetic number, because the mean of its divisors is an integer number (30864852648).

Almost surely, 2^211642262012 is an apocalyptic number.

It is an amenable number.

211642262012 is a deficient number, since it is larger than the sum of its proper divisors (158735969764).

211642262012 is a wasteful number, since it uses less digits than its factorization.

211642262012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610468 (or 610466 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 211642262012 in words is "two hundred eleven billion, six hundred forty-two million, two hundred sixty-two thousand, twelve".