211310222012 has 12 divisors (see below), whose sum is σ = 369882390696. Its totient is φ = 105629538960.

The previous prime is 211310221981. The next prime is 211310222059. The reversal of 211310222012 is 210222013112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6374414 + ... + 6407477.

It is an arithmetic number, because the mean of its divisors is an integer number (30823532558).

Almost surely, 2^211310222012 is an apocalyptic number.

It is an amenable number.

211310222012 is a deficient number, since it is larger than the sum of its proper divisors (158572168684).

211310222012 is a wasteful number, since it uses less digits than its factorization.

211310222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12786028 (or 12786026 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211310222012 its reverse (210222013112), we get a palindrome (421532235124).

The spelling of 211310222012 in words is "two hundred eleven billion, three hundred ten million, two hundred twenty-two thousand, twelve".