12121124424113 has 8 divisors (see below), whose sum is σ = 12147397186176. Its totient is φ = 12094860294400.

The previous prime is 12121124424107. The next prime is 12121124424127. The reversal of 12121124424113 is 31142442112121.

It is a happy number.

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 12121124424113 - 2⁸ = 12121124423857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121124424613) 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, 657233 + ... + 4967313.

It is an arithmetic number, because the mean of its divisors is an integer number (1518424648272).

Almost surely, 2^{12121124424113} is an apocalyptic number.

It is an amenable number.

12121124424113 is a deficient number, since it is larger than the sum of its proper divisors (26272762063).

12121124424113 is an equidigital number, since it uses as much as digits as its factorization.

12121124424113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316175.

The product of its digits is 3072, while the sum is 29.

Adding to 12121124424113 its reverse (31142442112121), we get a palindrome (43263566536234).

The spelling of 12121124424113 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty-four million, four hundred twenty-four thousand, one hundred thirteen".