12022221084 has 12 divisors (see below), whose sum is σ = 28051849224. Its totient is φ = 4007407024.

The previous prime is 12022221083. The next prime is 12022221137. The reversal of 12022221084 is 48012222021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022221083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500925867 + ... + 500925890.

It is an arithmetic number, because the mean of its divisors is an integer number (2337654102).

Almost surely, 2^12022221084 is an apocalyptic number.

It is an amenable number.

12022221084 is an abundant number, since it is smaller than the sum of its proper divisors (16029628140).

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

12022221084 is a wasteful number, since it uses less digits than its factorization.

12022221084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001851764 (or 1001851762 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 12022221084 in words is "twelve billion, twenty-two million, two hundred twenty-one thousand, eighty-four".