12212408599 has 4 divisors (see below), whose sum is σ = 12359546136. Its totient is φ = 12065271064.

The previous prime is 12212408597. The next prime is 12212408603. The reversal of 12212408599 is 99580421221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99580421221 = 89909 ⋅1107569.

It is a cyclic number.

It is not a de Polignac number, because 12212408599 - 2¹ = 12212408597 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 (12212408597) 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 3 ways as a sum of consecutive naturals, for example, 73568644 + ... + 73568809.

It is an arithmetic number, because the mean of its divisors is an integer number (3089886534).

Almost surely, 2^12212408599 is an apocalyptic number.

12212408599 is a deficient number, since it is larger than the sum of its proper divisors (147137537).

12212408599 is an equidigital number, since it uses as much as digits as its factorization.

12212408599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147137536.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 12212408599 in words is "twelve billion, two hundred twelve million, four hundred eight thousand, five hundred ninety-nine".