211222000012 has 12 divisors (see below), whose sum is σ = 370480504240. Its totient is φ = 105370427376.

The previous prime is 211222000009. The next prime is 211222000013. The reversal of 211222000012 is 210000222112.

It is a happy number.

It is a super-2 number, since 2×211222000012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211221999956 and 211222000001.

It is not an unprimeable number, because it can be changed into a prime (211222000013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60141183 + ... + 60144694.

Almost surely, 2^211222000012 is an apocalyptic number.

It is an amenable number.

211222000012 is a deficient number, since it is larger than the sum of its proper divisors (159258504228).

211222000012 is a wasteful number, since it uses less digits than its factorization.

211222000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120286320 (or 120286318 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211222000012 its reverse (210000222112), we get a palindrome (421222222124).

The spelling of 211222000012 in words is "two hundred eleven billion, two hundred twenty-two million, twelve", and thus it is an aban number.