121130004352513 has 4 divisors (see below), whose sum is σ = 130447696995028. Its totient is φ = 111812311710000.

The previous prime is 121130004352477. The next prime is 121130004352529. The reversal of 121130004352513 is 315253400031121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9134708327424 + 111995296025089 = 3022368^2 + 10582783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121130004352513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121130004052513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658846321238 + ... + 4658846321263.

It is an arithmetic number, because the mean of its divisors is an integer number (32611924248757).

Almost surely, 2^{121130004352513} is an apocalyptic number.

121130004352513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121130004352513 is a deficient number, since it is larger than the sum of its proper divisors (9317692642515).

121130004352513 is an equidigital number, since it uses as much as digits as its factorization.

121130004352513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9317692642514.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 121130004352513 its reverse (315253400031121), we get a palindrome (436383404383634).

The spelling of 121130004352513 in words is "one hundred twenty-one trillion, one hundred thirty billion, four million, three hundred fifty-two thousand, five hundred thirteen".