212212200012 has 12 divisors (see below), whose sum is σ = 495161800056. Its totient is φ = 70737400000.

The previous prime is 212212199999. The next prime is 212212200029. The reversal of 212212200012 is 210002212212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 212212199964 and 212212200000.

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, 8842174989 + ... + 8842175012.

It is an arithmetic number, because the mean of its divisors is an integer number (41263483338).

Almost surely, 2^212212200012 is an apocalyptic number.

It is an amenable number.

212212200012 is an abundant number, since it is smaller than the sum of its proper divisors (282949600044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212212200012 is a wasteful number, since it uses less digits than its factorization.

212212200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17684350008 (or 17684350006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212212200012 its reverse (210002212212), we get a palindrome (422214412224).

The spelling of 212212200012 in words is "two hundred twelve billion, two hundred twelve million, two hundred thousand, twelve".