121232300113 has 4 divisors (see below), whose sum is σ = 121663732068. Its totient is φ = 120800868160.

The previous prime is 121232300071. The next prime is 121232300143. The reversal of 121232300113 is 311003232121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311003232121 = 4877 ⋅63769373.

It can be written as a sum of positive squares in 2 ways, for example, as 64086441409 + 57145858704 = 253153^2 + 239052^2 .

It is a cyclic number.

It is not a de Polignac number, because 121232300113 - 2¹⁷ = 121232169041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121232300143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215715556 + ... + 215716117.

It is an arithmetic number, because the mean of its divisors is an integer number (30415933017).

Almost surely, 2^121232300113 is an apocalyptic number.

It is an amenable number.

121232300113 is a deficient number, since it is larger than the sum of its proper divisors (431431955).

121232300113 is an equidigital number, since it uses as much as digits as its factorization.

121232300113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431431954.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121232300113 its reverse (311003232121), we get a palindrome (432235532234).

The spelling of 121232300113 in words is "one hundred twenty-one billion, two hundred thirty-two million, three hundred thousand, one hundred thirteen".