12003210034220 has 48 divisors (see below), whose sum is σ = 26363432007360. Its totient is φ = 4581926148096.

The previous prime is 12003210034199. The next prime is 12003210034223. The reversal of 12003210034220 is 2243001230021.

It is a super-2 number, since 2×12003210034220² (a number of 27 digits) contains 22 as substring.

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 = 12003210034192 and 12003210034201.

It is not an unprimeable number, because it can be changed into a prime (12003210034223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29932385 + ... + 30330744.

It is an arithmetic number, because the mean of its divisors is an integer number (549238166820).

Almost surely, 2^{12003210034220} is an apocalyptic number.

12003210034220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003210034220 is an abundant number, since it is smaller than the sum of its proper divisors (14360221973140).

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

12003210034220 is a wasteful number, since it uses less digits than its factorization.

12003210034220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60263594 (or 60263592 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12003210034220 its reverse (2243001230021), we get a palindrome (14246211264241).

The spelling of 12003210034220 in words is "twelve trillion, three billion, two hundred ten million, thirty-four thousand, two hundred twenty".