12200011021020 has 48 divisors (see below), whose sum is σ = 34172887922208. Its totient is φ = 3252111790080.

The previous prime is 12200011021001. The next prime is 12200011021049. The reversal of 12200011021020 is 2012011000221.

It is a super-3 number, since 3×12200011021020³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12200011020987 and 12200011021005.

It is a congruent number.

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, 38104321 + ... + 38423160.

It is an arithmetic number, because the mean of its divisors is an integer number (711935165046).

Almost surely, 2^{12200011021020} is an apocalyptic number.

12200011021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200011021020 is an abundant number, since it is smaller than the sum of its proper divisors (21972876901188).

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

12200011021020 is a wasteful number, since it uses less digits than its factorization.

12200011021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76530150 (or 76530148 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12200011021020 its reverse (2012011000221), we get a palindrome (14212022021241).

The spelling of 12200011021020 in words is "twelve trillion, two hundred billion, eleven million, twenty-one thousand, twenty".