12201000120120 has 128 divisors (see below), whose sum is σ = 42804837757440. Its totient is φ = 2723944204800.

The previous prime is 12201000120091. The next prime is 12201000120137. The reversal of 12201000120120 is 2102100010221.

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 = 12201000120096 and 12201000120105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168859231 + ... + 168931470.

It is an arithmetic number, because the mean of its divisors is an integer number (334412794980).

Almost surely, 2^{12201000120120} is an apocalyptic number.

12201000120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201000120120 is an abundant number, since it is smaller than the sum of its proper divisors (30603837637320).

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

12201000120120 is a wasteful number, since it uses less digits than its factorization.

12201000120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337790765 (or 337790761 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201000120120 its reverse (2102100010221), we get a palindrome (14303100130341).

The spelling of 12201000120120 in words is "twelve trillion, two hundred one billion, one hundred twenty thousand, one hundred twenty".