12103211003201 has 4 divisors (see below), whose sum is σ = 12104194936404. Its totient is φ = 12102227070000.

The previous prime is 12103211003179. The next prime is 12103211003243. The reversal of 12103211003201 is 10230011230121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5643475360000 + 6459735643201 = 2375600^2 + 2541601^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103211003201 - 2¹⁴ = 12103210986817 is a prime.

It is a super-4 number, since 4×12103211003201⁴ (a number of 53 digits) contains 4444 as substring.

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 12103211003201.

It is not an unprimeable number, because it can be changed into a prime (12103211000201) 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, 491948150 + ... + 491972751.

It is an arithmetic number, because the mean of its divisors is an integer number (3026048734101).

Almost surely, 2^{12103211003201} is an apocalyptic number.

It is an amenable number.

12103211003201 is a deficient number, since it is larger than the sum of its proper divisors (983933203).

12103211003201 is an equidigital number, since it uses as much as digits as its factorization.

12103211003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983933202.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12103211003201 its reverse (10230011230121), we get a palindrome (22333222233322).

The spelling of 12103211003201 in words is "twelve trillion, one hundred three billion, two hundred eleven million, three thousand, two hundred one".