211222100120012 has 12 divisors (see below), whose sum is σ = 377503327874400. Its totient is φ = 103364006441616.

The previous prime is 211222100119981. The next prime is 211222100120023. The reversal of 211222100120012 is 210021001222112.

It is a super-2 number, since 2×211222100120012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561760904387 + ... + 561760904762.

It is an arithmetic number, because the mean of its divisors is an integer number (31458610656200).

Almost surely, 2^{211222100120012} is an apocalyptic number.

It is an amenable number.

211222100120012 is a deficient number, since it is larger than the sum of its proper divisors (166281227754388).

211222100120012 is a wasteful number, since it uses less digits than its factorization.

211222100120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123521809200 (or 1123521809198 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211222100120012 its reverse (210021001222112), we get a palindrome (421243101342124).

The spelling of 211222100120012 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred million, one hundred twenty thousand, twelve".