12301031121 has 8 divisors (see below), whose sum is σ = 16405365504. Its totient is φ = 8198692080.

The previous prime is 12301031117. The next prime is 12301031203. The reversal of 12301031121 is 12113010321.

It is a happy number.

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

It is not a de Polignac number, because 12301031121 - 2² = 12301031117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12301031121.

It is not an unprimeable number, because it can be changed into a prime (12301031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484390 + ... + 509151.

It is an arithmetic number, because the mean of its divisors is an integer number (2050670688).

Almost surely, 2^12301031121 is an apocalyptic number.

It is an amenable number.

12301031121 is a deficient number, since it is larger than the sum of its proper divisors (4104334383).

12301031121 is an equidigital number, since it uses as much as digits as its factorization.

12301031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997671.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12301031121 its reverse (12113010321), we get a palindrome (24414041442).

The spelling of 12301031121 in words is "twelve billion, three hundred one million, thirty-one thousand, one hundred twenty-one".