2012102302321 has 4 divisors (see below), whose sum is σ = 2014825039600. Its totient is φ = 2009379565044.

The previous prime is 2012102302307. The next prime is 2012102302339. The reversal of 2012102302321 is 1232032012102.

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 2012102302321 - 2⁹ = 2012102301809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012102302391) 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, 1361367531 + ... + 1361369008.

It is an arithmetic number, because the mean of its divisors is an integer number (503706259900).

Almost surely, 2^{2012102302321} is an apocalyptic number.

It is an amenable number.

2012102302321 is a deficient number, since it is larger than the sum of its proper divisors (2722737279).

2012102302321 is an equidigital number, since it uses as much as digits as its factorization.

2012102302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722737278.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2012102302321 its reverse (1232032012102), we get a palindrome (3244134314423).

The spelling of 2012102302321 in words is "two trillion, twelve billion, one hundred two million, three hundred two thousand, three hundred twenty-one".