13121001223199 has 4 divisors (see below), whose sum is σ = 13241377381320. Its totient is φ = 13000625065080.

The previous prime is 13121001223151. The next prime is 13121001223277. The reversal of 13121001223199 is 99132210012131.

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

It is a cyclic number.

It is not a de Polignac number, because 13121001223199 - 2¹² = 13121001219103 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 (13121001223129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60188078897 + ... + 60188079114.

It is an arithmetic number, because the mean of its divisors is an integer number (3310344345330).

Almost surely, 2^{13121001223199} is an apocalyptic number.

13121001223199 is a deficient number, since it is larger than the sum of its proper divisors (120376158121).

13121001223199 is a wasteful number, since it uses less digits than its factorization.

13121001223199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120376158120.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 13121001223199 in words is "thirteen trillion, one hundred twenty-one billion, one million, two hundred twenty-three thousand, one hundred ninety-nine".