12013233001220 has 24 divisors (see below), whose sum is σ = 27521224694208. Its totient is φ = 4368448364000.

The previous prime is 12013233001219. The next prime is 12013233001247. The reversal of 12013233001220 is 2210033231021.

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 = 12013233001192 and 12013233001201.

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, 27302802056 + ... + 27302802495.

It is an arithmetic number, because the mean of its divisors is an integer number (1146717695592).

Almost surely, 2^{12013233001220} is an apocalyptic number.

12013233001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013233001220 is an abundant number, since it is smaller than the sum of its proper divisors (15507991692988).

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

12013233001220 is a wasteful number, since it uses less digits than its factorization.

12013233001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54605604571 (or 54605604569 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12013233001220 its reverse (2210033231021), we get a palindrome (14223266232241).

The spelling of 12013233001220 in words is "twelve trillion, thirteen billion, two hundred thirty-three million, one thousand, two hundred twenty".