12011013010321 has 16 divisors (see below), whose sum is σ = 13358078755840. Its totient is φ = 10724711376960.

The previous prime is 12011013010319. The next prime is 12011013010331. The reversal of 12011013010321 is 12301031011021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12011013010321 - 2¹ = 12011013010319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011013010295 and 12011013010304.

It is not an unprimeable number, because it can be changed into a prime (12011013010301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5653245 + ... + 7482058.

It is an arithmetic number, because the mean of its divisors is an integer number (834879922240).

Almost surely, 2^{12011013010321} is an apocalyptic number.

It is an amenable number.

12011013010321 is a deficient number, since it is larger than the sum of its proper divisors (1347065745519).

12011013010321 is a wasteful number, since it uses less digits than its factorization.

12011013010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137616.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12011013010321 its reverse (12301031011021), we get a palindrome (24312044021342).

The spelling of 12011013010321 in words is "twelve trillion, eleven billion, thirteen million, ten thousand, three hundred twenty-one".