12222021000012 has 24 divisors (see below), whose sum is σ = 28699692628656. Its totient is φ = 4048057910208.

The previous prime is 12222020999941. The next prime is 12222021000043. The reversal of 12222021000012 is 21000012022221.

12222021000012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12222020999955 and 12222021000000.

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, 3243634263 + ... + 3243638030.

It is an arithmetic number, because the mean of its divisors is an integer number (1195820526194).

Almost surely, 2^{12222021000012} is an apocalyptic number.

12222021000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222021000012 is an abundant number, since it is smaller than the sum of its proper divisors (16477671628644).

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

12222021000012 is a wasteful number, since it uses less digits than its factorization.

12222021000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487272457 (or 6487272455 counting only the distinct ones).

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

Adding to 12222021000012 its reverse (21000012022221), we get a palindrome (33222033022233).

The spelling of 12222021000012 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, twelve", and thus it is an aban number.