211012222012 has 6 divisors (see below), whose sum is σ = 369271388528. Its totient is φ = 105506111004.

The previous prime is 211012222009. The next prime is 211012222013. The reversal of 211012222012 is 210222210112.

It is a happy number.

211012222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26376527748 + ... + 26376527755.

Almost surely, 2^211012222012 is an apocalyptic number.

It is an amenable number.

211012222012 is a deficient number, since it is larger than the sum of its proper divisors (158259166516).

211012222012 is a wasteful number, since it uses less digits than its factorization.

211012222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52753055507 (or 52753055505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211012222012 its reverse (210222210112), we get a palindrome (421234432124).

The spelling of 211012222012 in words is "two hundred eleven billion, twelve million, two hundred twenty-two thousand, twelve".