12002100233220 has 48 divisors (see below), whose sum is σ = 37339867393920. Its totient is φ = 3200560062048.

The previous prime is 12002100233219. The next prime is 12002100233231. The reversal of 12002100233220 is 2233200120021.

12002100233220 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 210 + 0 + 233 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12002100233193 and 12002100233202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11113055232 + ... + 11113056311.

It is an arithmetic number, because the mean of its divisors is an integer number (777913904040).

Almost surely, 2^{12002100233220} is an apocalyptic number.

12002100233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002100233220 is an abundant number, since it is smaller than the sum of its proper divisors (25337767160700).

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

12002100233220 is a wasteful number, since it uses less digits than its factorization.

12002100233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226111561 (or 22226111553 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12002100233220 its reverse (2233200120021), we get a palindrome (14235300353241).

The spelling of 12002100233220 in words is "twelve trillion, two billion, one hundred million, two hundred thirty-three thousand, two hundred twenty".