12030331234220 has 24 divisors (see below), whose sum is σ = 27207056791824. Its totient is φ = 4441968455616.

The previous prime is 12030331234177. The next prime is 12030331234237. The reversal of 12030331234220 is 2243213303021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 12030331234220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23135252114 + ... + 23135252633.

It is an arithmetic number, because the mean of its divisors is an integer number (1133627366326).

Almost surely, 2^{12030331234220} is an apocalyptic number.

12030331234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030331234220 is an abundant number, since it is smaller than the sum of its proper divisors (15176725557604).

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

12030331234220 is a wasteful number, since it uses less digits than its factorization.

12030331234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46270504769 (or 46270504767 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12030331234220 its reverse (2243213303021), we get a palindrome (14273544537241).

The spelling of 12030331234220 in words is "twelve trillion, thirty billion, three hundred thirty-one million, two hundred thirty-four thousand, two hundred twenty".