12102200020020 has 96 divisors (see below), whose sum is σ = 37347820465536. Its totient is φ = 2903620608000.

The previous prime is 12102200020007. The next prime is 12102200020021. The reversal of 12102200020020 is 2002000220121.

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 = 12102200019978 and 12102200020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102200020021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94454881 + ... + 94582920.

It is an arithmetic number, because the mean of its divisors is an integer number (389039796516).

Almost surely, 2^{12102200020020} is an apocalyptic number.

12102200020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102200020020 is an abundant number, since it is smaller than the sum of its proper divisors (25245620445516).

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

12102200020020 is a wasteful number, since it uses less digits than its factorization.

12102200020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189037921 (or 189037919 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12102200020020 its reverse (2002000220121), we get a palindrome (14104200240141).

The spelling of 12102200020020 in words is "twelve trillion, one hundred two billion, two hundred million, twenty thousand, twenty".