212212101000012 has 12 divisors (see below), whose sum is σ = 495161569000056. Its totient is φ = 70737367000000.

The previous prime is 212212100999989. The next prime is 212212101000037. The reversal of 212212101000012 is 210000101212212.

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 = 212212100999955 and 212212101000000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8842170874989 + ... + 8842170875012.

It is an arithmetic number, because the mean of its divisors is an integer number (41263464083338).

Almost surely, 2^{212212101000012} is an apocalyptic number.

It is an amenable number.

212212101000012 is an abundant number, since it is smaller than the sum of its proper divisors (282949468000044).

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

212212101000012 is a wasteful number, since it uses less digits than its factorization.

212212101000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17684341750008 (or 17684341750006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212212101000012 its reverse (210000101212212), we get a palindrome (422212202212224).

The spelling of 212212101000012 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred one million, twelve", and thus it is an aban number.