12012132200220 has 144 divisors (see below), whose sum is σ = 38147379248160. Its totient is φ = 3055516359168.

The previous prime is 12012132200207. The next prime is 12012132200251. The reversal of 12012132200220 is 2200223121021.

12012132200220 is a `hidden beast` number, since 1 + 2 + 0 + 121 + 322 + 0 + 0 + 220 = 666.

It is a super-3 number, since 3×12012132200220³ (a number of 40 digits) contains 333 as substring.

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 = 12012132200193 and 12012132200202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13429239 + ... + 14295758.

It is an arithmetic number, because the mean of its divisors is an integer number (264912355890).

Almost surely, 2^{12012132200220} is an apocalyptic number.

12012132200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012132200220 is an abundant number, since it is smaller than the sum of its proper divisors (26135247047940).

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

12012132200220 is a wasteful number, since it uses less digits than its factorization.

12012132200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27725124 (or 27725119 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12012132200220 its reverse (2200223121021), we get a palindrome (14212355321241).

The spelling of 12012132200220 in words is "twelve trillion, twelve billion, one hundred thirty-two million, two hundred thousand, two hundred twenty".