12212122010228 has 48 divisors (see below), whose sum is σ = 24658463491200. Its totient is φ = 5183600324736.

The previous prime is 12212122010227. The next prime is 12212122010279. The reversal of 12212122010228 is 82201022121221.

12212122010228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12212122010228² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12212122010197 and 12212122010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212122010227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11964098 + ... + 12944646.

It is an arithmetic number, because the mean of its divisors is an integer number (513717989400).

Almost surely, 2^{12212122010228} is an apocalyptic number.

It is an amenable number.

12212122010228 is an abundant number, since it is smaller than the sum of its proper divisors (12446341480972).

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

12212122010228 is a wasteful number, since it uses less digits than its factorization.

12212122010228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984824 (or 984822 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 12212122010228 its reverse (82201022121221), we get a palindrome (94413144131449).

The spelling of 12212122010228 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-two million, ten thousand, two hundred twenty-eight".