12012222002000 has 120 divisors (see below), whose sum is σ = 31926104135016. Its totient is φ = 4368080640000.

The previous prime is 12012222001993. The next prime is 12012222002023. The reversal of 12012222002000 is 20022221021.

It can be written as a sum of positive squares in 4 ways, for example, as 26417951296 + 11985804050704 = 162536^2 + 3462052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24576641 + ... + 25060640.

Almost surely, 2^{12012222002000} is an apocalyptic number.

12012222002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012222002000 is an abundant number, since it is smaller than the sum of its proper divisors (19913882133016).

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

12012222002000 is a wasteful number, since it uses less digits than its factorization.

12012222002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49637326 (or 49637299 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12012222002000 its reverse (20022221021), we get a palindrome (12032244223021).

It can be divided in two parts, 120122 and 22002000, that added together give a palindrome (22122122).

The spelling of 12012222002000 in words is "twelve trillion, twelve billion, two hundred twenty-two million, two thousand".