12102102202120 has 128 divisors (see below), whose sum is σ = 32901879628800. Its totient is φ = 3913591216896.

The previous prime is 12102102202117. The next prime is 12102102202123. The reversal of 12102102202120 is 2120220120121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12102102202117) and next prime (12102102202123).

It is a junction number, because it is equal to n+sod(n) for n = 12102102202094 and 12102102202103.

It is not an unprimeable number, because it can be changed into a prime (12102102202123) 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, 3803002 + ... + 6218281.

It is an arithmetic number, because the mean of its divisors is an integer number (257045934600).

Almost surely, 2^{12102102202120} is an apocalyptic number.

12102102202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102102202120 is an abundant number, since it is smaller than the sum of its proper divisors (20799777426680).

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

12102102202120 is a wasteful number, since it uses less digits than its factorization.

12102102202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021547 (or 10021543 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102102202120 its reverse (2120220120121), we get a palindrome (14222322322241).

The spelling of 12102102202120 in words is "twelve trillion, one hundred two billion, one hundred two million, two hundred two thousand, one hundred twenty".