212222010012 has 12 divisors (see below), whose sum is σ = 495184690056. Its totient is φ = 70740670000.

The previous prime is 212222010001. The next prime is 212222010019. The reversal of 212222010012 is 210010222212.

212222010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 212222009973 and 212222010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222010019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8842583739 + ... + 8842583762.

It is an arithmetic number, because the mean of its divisors is an integer number (41265390838).

Almost surely, 2^212222010012 is an apocalyptic number.

It is an amenable number.

212222010012 is an abundant number, since it is smaller than the sum of its proper divisors (282962680044).

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

212222010012 is a wasteful number, since it uses less digits than its factorization.

212222010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17685167508 (or 17685167506 counting only the distinct ones).

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

Adding to 212222010012 its reverse (210010222212), we get a palindrome (422232232224).

The spelling of 212222010012 in words is "two hundred twelve billion, two hundred twenty-two million, ten thousand, twelve".