12010120221121 has 16 divisors (see below), whose sum is σ = 13112536233600. Its totient is φ = 10909469894400.

The previous prime is 12010120221119. The next prime is 12010120221137. The reversal of 12010120221121 is 12112202101021.

It is not a de Polignac number, because 12010120221121 - 2¹ = 12010120221119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010120221095 and 12010120221104.

It is not an unprimeable number, because it can be changed into a prime (12010120221161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323190340 + ... + 323227498.

It is an arithmetic number, because the mean of its divisors is an integer number (819533514600).

Almost surely, 2^{12010120221121} is an apocalyptic number.

12010120221121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010120221121 is a deficient number, since it is larger than the sum of its proper divisors (1102416012479).

12010120221121 is a wasteful number, since it uses less digits than its factorization.

12010120221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60120.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12010120221121 its reverse (12112202101021), we get a palindrome (24122322322142).

The spelling of 12010120221121 in words is "twelve trillion, ten billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-one".