12012122220202 has 16 divisors (see below), whose sum is σ = 20425470982560. Its totient is φ = 5252263966512.

The previous prime is 12012122220193. The next prime is 12012122220209. The reversal of 12012122220202 is 20202222121021.

12012122220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12012122220202.

It is not an unprimeable number, because it can be changed into a prime (12012122220209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12158017948 + ... + 12158018935.

It is an arithmetic number, because the mean of its divisors is an integer number (1276591936410).

Almost surely, 2^{12012122220202} is an apocalyptic number.

12012122220202 is a deficient number, since it is larger than the sum of its proper divisors (8413348762358).

12012122220202 is a wasteful number, since it uses less digits than its factorization.

12012122220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24316036917.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12012122220202 its reverse (20202222121021), we get a palindrome (32214344341223).

The spelling of 12012122220202 in words is "twelve trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, two hundred two".