211130342012 has 12 divisors (see below), whose sum is σ = 369481596456. Its totient is φ = 105564171600.

The previous prime is 211130341993. The next prime is 211130342023. The reversal of 211130342012 is 210243031112.

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, 432578 + ... + 780630.

It is an arithmetic number, because the mean of its divisors is an integer number (30790133038).

Almost surely, 2^211130342012 is an apocalyptic number.

It is an amenable number.

211130342012 is a deficient number, since it is larger than the sum of its proper divisors (158351254444).

211130342012 is a wasteful number, since it uses less digits than its factorization.

211130342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499708 (or 499706 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211130342012 its reverse (210243031112), we get a palindrome (421373373124).

The spelling of 211130342012 in words is "two hundred eleven billion, one hundred thirty million, three hundred forty-two thousand, twelve".