211031012012 has 6 divisors (see below), whose sum is σ = 369304271028. Its totient is φ = 105515506004.

The previous prime is 211031012009. The next prime is 211031012057. The reversal of 211031012012 is 210210130112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26378876498 + ... + 26378876505.

It is an arithmetic number, because the mean of its divisors is an integer number (61550711838).

Almost surely, 2^211031012012 is an apocalyptic number.

It is an amenable number.

211031012012 is a deficient number, since it is larger than the sum of its proper divisors (158273259016).

211031012012 is a wasteful number, since it uses less digits than its factorization.

211031012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52757753007 (or 52757753005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211031012012 its reverse (210210130112), we get a palindrome (421241142124).

The spelling of 211031012012 in words is "two hundred eleven billion, thirty-one million, twelve thousand, twelve".