12103221301 has 4 divisors (see below), whose sum is σ = 12103442604. Its totient is φ = 12103000000.

The previous prime is 12103221287. The next prime is 12103221337. The reversal of 12103221301 is 10312230121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10312230121 = 389 ⋅26509589.

It can be written as a sum of positive squares in 2 ways, for example, as 11379342276 + 723879025 = 106674^2 + 26905^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103221301 - 2¹⁵ = 12103188533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37551 + ... + 160051.

It is an arithmetic number, because the mean of its divisors is an integer number (3025860651).

Almost surely, 2^12103221301 is an apocalyptic number.

It is an amenable number.

12103221301 is a deficient number, since it is larger than the sum of its proper divisors (221303).

12103221301 is an equidigital number, since it uses as much as digits as its factorization.

12103221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221302.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12103221301 its reverse (10312230121), we get a palindrome (22415451422).

The spelling of 12103221301 in words is "twelve billion, one hundred three million, two hundred twenty-one thousand, three hundred one".