12120211001099 has 4 divisors (see below), whose sum is σ = 12120245540136. Its totient is φ = 12120176462064.

The previous prime is 12120211001033. The next prime is 12120211001111. The reversal of 12120211001099 is 99010011202121.

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 12120211001099 - 2²⁴ = 12120194223883 is a prime.

It is a super-2 number, since 2×12120211001099² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120211001999) 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, 16737689 + ... + 17446794.

It is an arithmetic number, because the mean of its divisors is an integer number (3030061385034).

Almost surely, 2^{12120211001099} is an apocalyptic number.

12120211001099 is a deficient number, since it is larger than the sum of its proper divisors (34539037).

12120211001099 is an equidigital number, since it uses as much as digits as its factorization.

12120211001099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34539036.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 12120211001099 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, one thousand, ninety-nine".