12103143313220 has 24 divisors (see below), whose sum is σ = 26911695132504. Its totient is φ = 4556477482496.

The previous prime is 12103143313207. The next prime is 12103143313229. The reversal of 12103143313220 is 2231334130121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1714795488004 + 10388347825216 = 1309502^2 + 3223096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12103143313220.

It is not an unprimeable number, because it can be changed into a prime (12103143313229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17798739827 + ... + 17798740506.

It is an arithmetic number, because the mean of its divisors is an integer number (1121320630521).

Almost surely, 2^{12103143313220} is an apocalyptic number.

12103143313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103143313220 is an abundant number, since it is smaller than the sum of its proper divisors (14808551819284).

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

12103143313220 is a wasteful number, since it uses less digits than its factorization.

12103143313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35597480359 (or 35597480357 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12103143313220 its reverse (2231334130121), we get a palindrome (14334477443341).

The spelling of 12103143313220 in words is "twelve trillion, one hundred three billion, one hundred forty-three million, three hundred thirteen thousand, two hundred twenty".