12121423241 has 8 divisors (see below), whose sum is σ = 12298992768. Its totient is φ = 11944044000.

The previous prime is 12121423201. The next prime is 12121423297. The reversal of 12121423241 is 14232412121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121423241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121423201) 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, 83381 + ... + 176621.

It is an arithmetic number, because the mean of its divisors is an integer number (1537374096).

Almost surely, 2^12121423241 is an apocalyptic number.

It is an amenable number.

12121423241 is a deficient number, since it is larger than the sum of its proper divisors (177569527).

12121423241 is an equidigital number, since it uses as much as digits as its factorization.

12121423241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95143.

The product of its digits is 768, while the sum is 23.

Adding to 12121423241 its reverse (14232412121), we get a palindrome (26353835362).

The spelling of 12121423241 in words is "twelve billion, one hundred twenty-one million, four hundred twenty-three thousand, two hundred forty-one".