121412112013 has 16 divisors (see below), whose sum is σ = 124459053120. Its totient is φ = 118401942400.

The previous prime is 121412111987. The next prime is 121412112043. The reversal of 121412112013 is 310211214121.

It is a cyclic number.

It is not a de Polignac number, because 121412112013 - 2⁹ = 121412111501 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 (121412112043) 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 15 ways as a sum of consecutive naturals, for example, 3747303 + ... + 3779563.

It is an arithmetic number, because the mean of its divisors is an integer number (7778690820).

Almost surely, 2^121412112013 is an apocalyptic number.

It is an amenable number.

121412112013 is a deficient number, since it is larger than the sum of its proper divisors (3046941107).

121412112013 is a wasteful number, since it uses less digits than its factorization.

121412112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32828.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121412112013 its reverse (310211214121), we get a palindrome (431623326134).

The spelling of 121412112013 in words is "one hundred twenty-one billion, four hundred twelve million, one hundred twelve thousand, thirteen".