12121144463 has 8 divisors (see below), whose sum is σ = 12989993568. Its totient is φ = 11280782304.

The previous prime is 12121144447. The next prime is 12121144481. The reversal of 12121144463 is 36444112121.

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 12121144463 - 2⁴ = 12121144447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121144403) 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, 7120856 + ... + 7122557.

It is an arithmetic number, because the mean of its divisors is an integer number (1623749196).

Almost surely, 2^12121144463 is an apocalyptic number.

12121144463 is a deficient number, since it is larger than the sum of its proper divisors (868849105).

12121144463 is a wasteful number, since it uses less digits than its factorization.

12121144463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243473.

The product of its digits is 4608, while the sum is 29.

Adding to 12121144463 its reverse (36444112121), we get a palindrome (48565256584).

The spelling of 12121144463 in words is "twelve billion, one hundred twenty-one million, one hundred forty-four thousand, four hundred sixty-three".