12201021112099 has 4 divisors (see below), whose sum is σ = 12201814277136. Its totient is φ = 12200227947064.

The previous prime is 12201021112073. The next prime is 12201021112127. The reversal of 12201021112099 is 99021112010221.

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 12201021112099 - 2¹¹ = 12201021110051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12201021112099.

It is not an unprimeable number, because it can be changed into a prime (12201021110099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396559444 + ... + 396590209.

It is an arithmetic number, because the mean of its divisors is an integer number (3050453569284).

Almost surely, 2^{12201021112099} is an apocalyptic number.

12201021112099 is a deficient number, since it is larger than the sum of its proper divisors (793165037).

12201021112099 is an equidigital number, since it uses as much as digits as its factorization.

12201021112099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793165036.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 12201021112099 in words is "twelve trillion, two hundred one billion, twenty-one million, one hundred twelve thousand, ninety-nine".