12101221130120 has 32 divisors (see below), whose sum is σ = 27251159296320. Its totient is φ = 4836326362560.

The previous prime is 12101221130093. The next prime is 12101221130137. The reversal of 12101221130120 is 2103112210121.

It is a happy number.

It is a super-3 number, since 3×12101221130120³ (a number of 40 digits) contains 333 as substring.

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, 130018196 + ... + 130111235.

It is an arithmetic number, because the mean of its divisors is an integer number (851598728010).

Almost surely, 2^{12101221130120} is an apocalyptic number.

12101221130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101221130120 is an abundant number, since it is smaller than the sum of its proper divisors (15149938166200).

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

12101221130120 is a wasteful number, since it uses less digits than its factorization.

12101221130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260130605 (or 260130601 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12101221130120 its reverse (2103112210121), we get a palindrome (14204333340241).

The spelling of 12101221130120 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred thirty thousand, one hundred twenty".