12102444420121 has 8 divisors (see below), whose sum is σ = 13204084716288. Its totient is φ = 11001040470000.

The previous prime is 12102444420047. The next prime is 12102444420127.

12102444420121 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102444420121 - 2⁹ = 12102444419609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102444420121.

It is not an unprimeable number, because it can be changed into a prime (12102444420127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58979430 + ... + 59184271.

It is an arithmetic number, because the mean of its divisors is an integer number (1650510589536).

Almost surely, 2^{12102444420121} is an apocalyptic number.

12102444420121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12102444420121 is a deficient number, since it is larger than the sum of its proper divisors (1101640296167).

12102444420121 is a wasteful number, since it uses less digits than its factorization.

12102444420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118173023.

The product of its (nonzero) digits is 4096, while the sum is 28.

It can be divided in two parts, 1210244 and 4420121, that added together give a palindrome (5630365).

The spelling of 12102444420121 in words is "twelve trillion, one hundred two billion, four hundred forty-four million, four hundred twenty thousand, one hundred twenty-one".