12303121213121 has 8 divisors (see below), whose sum is σ = 12357874372800. Its totient is φ = 12248428457232.

The previous prime is 12303121213087. The next prime is 12303121213193. The reversal of 12303121213121 is 12131212130321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12303121213121 - 2²² = 12303117018817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303121213921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14692655 + ... + 15507428.

It is an arithmetic number, because the mean of its divisors is an integer number (1544734296600).

Almost surely, 2^{12303121213121} is an apocalyptic number.

It is an amenable number.

12303121213121 is a deficient number, since it is larger than the sum of its proper divisors (54753159679).

12303121213121 is a wasteful number, since it uses less digits than its factorization.

12303121213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30201895.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12303121213121 its reverse (12131212130321), we get a palindrome (24434333343442).

The spelling of 12303121213121 in words is "twelve trillion, three hundred three billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred twenty-one".