12012223130120 has 64 divisors (see below), whose sum is σ = 27115203444480. Its totient is φ = 4789300631296.

The previous prime is 12012223130119. The next prime is 12012223130191. The reversal of 12012223130120 is 2103132221021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12012223130092 and 12012223130101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166414277 + ... + 166486443.

It is an arithmetic number, because the mean of its divisors is an integer number (423675053820).

Almost surely, 2^{12012223130120} is an apocalyptic number.

12012223130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012223130120 is an abundant number, since it is smaller than the sum of its proper divisors (15102980314360).

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

12012223130120 is a wasteful number, since it uses less digits than its factorization.

12012223130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85622 (or 85618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12012223130120 its reverse (2103132221021), we get a palindrome (14115355351141).

Subtracting from 12012223130120 its reverse (2103132221021), we obtain a palindrome (9909090909099).

The spelling of 12012223130120 in words is "twelve trillion, twelve billion, two hundred twenty-three million, one hundred thirty thousand, one hundred twenty".