212211212010112 has 64 divisors (see below), whose sum is σ = 485269323004800. Its totient is φ = 90550510838784.

The previous prime is 212211212010101. The next prime is 212211212010167. The reversal of 212211212010112 is 211010212112212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 212211212010112.

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, 516918988 + ... + 517329355.

It is an arithmetic number, because the mean of its divisors is an integer number (7582333171950).

Almost surely, 2^{212211212010112} is an apocalyptic number.

It is an amenable number.

212211212010112 is an abundant number, since it is smaller than the sum of its proper divisors (273058110994688).

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

212211212010112 is a wasteful number, since it uses less digits than its factorization.

212211212010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034248593 (or 1034248581 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212211212010112 its reverse (211010212112212), we get a palindrome (423221424122324).

The spelling of 212211212010112 in words is "two hundred twelve trillion, two hundred eleven billion, two hundred twelve million, ten thousand, one hundred twelve".