12200111121020 has 24 divisors (see below), whose sum is σ = 25620675685584. Its totient is φ = 4879960194816.

The previous prime is 12200111121007. The next prime is 12200111121043. The reversal of 12200111121020 is 2012111100221.

It is a super-2 number, since 2×12200111121020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200111120986 and 12200111121004.

It is a congruent number.

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, 4071869 + ... + 6401588.

It is an arithmetic number, because the mean of its divisors is an integer number (1067528153566).

Almost surely, 2^{12200111121020} is an apocalyptic number.

12200111121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200111121020 is an abundant number, since it is smaller than the sum of its proper divisors (13420564564564).

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

12200111121020 is a wasteful number, since it uses less digits than its factorization.

12200111121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531709 (or 10531707 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12200111121020 its reverse (2012111100221), we get a palindrome (14212222221241).

The spelling of 12200111121020 in words is "twelve trillion, two hundred billion, one hundred eleven million, one hundred twenty-one thousand, twenty".