121320312212113 has 64 divisors (see below), whose sum is σ = 147241589184000. Its totient is φ = 97771750078464.

The previous prime is 121320312212087. The next prime is 121320312212119. The reversal of 121320312212113 is 311212213023121.

It is not a de Polignac number, because 121320312212113 - 2¹⁷ = 121320312081041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121320312212119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7830645595 + ... + 7830661087.

It is an arithmetic number, because the mean of its divisors is an integer number (2300649831000).

Almost surely, 2^{121320312212113} is an apocalyptic number.

It is an amenable number.

121320312212113 is a deficient number, since it is larger than the sum of its proper divisors (25921276971887).

121320312212113 is a wasteful number, since it uses less digits than its factorization.

121320312212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22154.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121320312212113 its reverse (311212213023121), we get a palindrome (432532525235234).

The spelling of 121320312212113 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twelve million, two hundred twelve thousand, one hundred thirteen".