12203121299 has 4 divisors (see below), whose sum is σ = 12203427864. Its totient is φ = 12202814736.

The previous prime is 12203121277. The next prime is 12203121311. The reversal of 12203121299 is 99212130221.

It is a happy number.

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 12203121299 - 2¹⁶ = 12203055763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203120299) 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, 82757 + ... + 176790.

It is an arithmetic number, because the mean of its divisors is an integer number (3050856966).

Almost surely, 2^12203121299 is an apocalyptic number.

12203121299 is a deficient number, since it is larger than the sum of its proper divisors (306565).

12203121299 is an equidigital number, since it uses as much as digits as its factorization.

12203121299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306564.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 12203121299 in words is "twelve billion, two hundred three million, one hundred twenty-one thousand, two hundred ninety-nine".