12301003121 has 4 divisors (see below), whose sum is σ = 13419276144. Its totient is φ = 11182730100.

The previous prime is 12301003111. The next prime is 12301003133. The reversal of 12301003121 is 12130010321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12301003121 - 2²² = 12296808817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12301003096 and 12301003105.

It is not an unprimeable number, because it can be changed into a prime (12301003111) 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, 559136495 + ... + 559136516.

It is an arithmetic number, because the mean of its divisors is an integer number (3354819036).

Almost surely, 2^12301003121 is an apocalyptic number.

12301003121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12301003121 is a deficient number, since it is larger than the sum of its proper divisors (1118273023).

12301003121 is a wasteful number, since it uses less digits than its factorization.

12301003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118273022.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12301003121 its reverse (12130010321), we get a palindrome (24431013442).

The spelling of 12301003121 in words is "twelve billion, three hundred one million, three thousand, one hundred twenty-one".