12012220100012 has 24 divisors (see below), whose sum is σ = 22932960874320. Its totient is φ = 5459971311360.

The previous prime is 12012220099993. The next prime is 12012220100029. The reversal of 12012220100012 is 21000102221021.

12012220100012 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 2×12012220100012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12012220100012.

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, 1318337 + ... + 5075672.

It is an arithmetic number, because the mean of its divisors is an integer number (955540036430).

Almost surely, 2^{12012220100012} is an apocalyptic number.

It is an amenable number.

12012220100012 is a deficient number, since it is larger than the sum of its proper divisors (10920740774308).

12012220100012 is a wasteful number, since it uses less digits than its factorization.

12012220100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436721 (or 6436719 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012220100012 its reverse (21000102221021), we get a palindrome (33012322321033).

The spelling of 12012220100012 in words is "twelve trillion, twelve billion, two hundred twenty million, one hundred thousand, twelve".