12002120103122 has 4 divisors (see below), whose sum is σ = 18003180154686. Its totient is φ = 6001060051560.

The previous prime is 12002120103121. The next prime is 12002120103173. The reversal of 12002120103122 is 22130102120021.

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

It can be written as a sum of positive squares in only one way, i.e., 10668513180361 + 1333606922761 = 3266269^2 + 1154819^2 .

It is a super-3 number, since 3×12002120103122³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12002120103122.

It is not an unprimeable number, because it can be changed into a prime (12002120103121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000530025779 + ... + 3000530025782.

Almost surely, 2^{12002120103122} is an apocalyptic number.

12002120103122 is a deficient number, since it is larger than the sum of its proper divisors (6001060051564).

12002120103122 is an equidigital number, since it uses as much as digits as its factorization.

12002120103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001060051563.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12002120103122 its reverse (22130102120021), we get a palindrome (34132222223143).

The spelling of 12002120103122 in words is "twelve trillion, two billion, one hundred twenty million, one hundred three thousand, one hundred twenty-two".