12102423044421 has 8 divisors (see below), whose sum is σ = 16136580208320. Its totient is φ = 8068273955072.

The previous prime is 12102423044399. The next prime is 12102423044441. The reversal of 12102423044421 is 12444032420121.

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 12102423044421 - 2²² = 12102418850117 is a prime.

It is a super-2 number, since 2×12102423044421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102423044441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4340056 + ... + 6560558.

It is an arithmetic number, because the mean of its divisors is an integer number (2017072526040).

Almost surely, 2^{12102423044421} is an apocalyptic number.

It is an amenable number.

12102423044421 is a deficient number, since it is larger than the sum of its proper divisors (4034157163899).

12102423044421 is a wasteful number, since it uses less digits than its factorization.

12102423044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037275.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 12102423044421 its reverse (12444032420121), we get a palindrome (24546455464542).

The spelling of 12102423044421 in words is "twelve trillion, one hundred two billion, four hundred twenty-three million, forty-four thousand, four hundred twenty-one".