12120102200020 has 24 divisors (see below), whose sum is σ = 25461743827968. Its totient is φ = 4846225792800.

The previous prime is 12120102199969. The next prime is 12120102200027. The reversal of 12120102200020 is 2000220102121.

It is a happy number.

12120102200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120102200027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113388196 + ... + 113495035.

It is an arithmetic number, because the mean of its divisors is an integer number (1060905992832).

Almost surely, 2^{12120102200020} is an apocalyptic number.

12120102200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120102200020 is an abundant number, since it is smaller than the sum of its proper divisors (13341641627948).

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

12120102200020 is a wasteful number, since it uses less digits than its factorization.

12120102200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226885911 (or 226885909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120102200020 its reverse (2000220102121), we get a palindrome (14120322302141).

The spelling of 12120102200020 in words is "twelve trillion, one hundred twenty billion, one hundred two million, two hundred thousand, twenty".