212222010000012 has 96 divisors (see below), whose sum is σ = 540042842304000. Its totient is φ = 64658190170112.

The previous prime is 212222009999981. The next prime is 212222010000017. The reversal of 212222010000012 is 210000010222212.

It is a junction number, because it is equal to n+sod(n) for n = 212222009999946 and 212222010000000.

It is not an unprimeable number, because it can be changed into a prime (212222010000017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135896262 + ... + 137449037.

It is an arithmetic number, because the mean of its divisors is an integer number (5625446274000).

Almost surely, 2^{212222010000012} is an apocalyptic number.

It is an amenable number.

212222010000012 is an abundant number, since it is smaller than the sum of its proper divisors (327820832303988).

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

212222010000012 is a wasteful number, since it uses less digits than its factorization.

212222010000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273345455 (or 273345453 counting only the distinct ones).

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

Adding to 212222010000012 its reverse (210000010222212), we get a palindrome (422222020222224).

The spelling of 212222010000012 in words is "two hundred twelve trillion, two hundred twenty-two billion, ten million, twelve", and thus it is an aban number.