12200000011020 has 144 divisors (see below), whose sum is σ = 38418372743520. Its totient is φ = 3214135569024.

The previous prime is 12200000011013. The next prime is 12200000011021. The reversal of 12200000011020 is 2011000000221.

It is a super-3 number, since 3×12200000011020³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12200000010993 and 12200000011011.

It is not an unprimeable number, because it can be changed into a prime (12200000011021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2080302 + ... + 5359818.

Almost surely, 2^{12200000011020} is an apocalyptic number.

12200000011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200000011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19209186371760).

12200000011020 is an abundant number, since it is smaller than the sum of its proper divisors (26218372732500).

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

12200000011020 is a wasteful number, since it uses less digits than its factorization.

12200000011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279701 (or 3279610 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12200000011020 its reverse (2011000000221), we get a palindrome (14211000011241).

The spelling of 12200000011020 in words is "twelve trillion, two hundred billion, eleven thousand, twenty".