1211000022212 has 24 divisors (see below), whose sum is σ = 2125715059104. Its totient is φ = 603653162112.

The previous prime is 1211000022181. The next prime is 1211000022229. The reversal of 1211000022212 is 2122200001121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20334503 + ... + 20393969.

It is an arithmetic number, because the mean of its divisors is an integer number (88571460796).

Almost surely, 2^{1211000022212} is an apocalyptic number.

It is an amenable number.

1211000022212 is a deficient number, since it is larger than the sum of its proper divisors (914715036892).

1211000022212 is a wasteful number, since it uses less digits than its factorization.

1211000022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74915 (or 74913 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1211000022212 its reverse (2122200001121), we get a palindrome (3333200023333).

The spelling of 1211000022212 in words is "one trillion, two hundred eleven billion, twenty-two thousand, two hundred twelve".