2012300102321 has 2 divisors, whose sum is σ = 2012300102322. Its totient is φ = 2012300102320.

The previous prime is 2012300102317. The next prime is 2012300102339. The reversal of 2012300102321 is 1232010032102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1734064951921 + 278235150400 = 1316839^2 + 527480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012300102321 - 2² = 2012300102317 is a prime.

It is a super-2 number, since 2×2012300102321² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012300102321.

It is not a weakly prime, because it can be changed into another prime (2012300102311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006150051160 + 1006150051161.

It is an arithmetic number, because the mean of its divisors is an integer number (1006150051161).

Almost surely, 2^{2012300102321} is an apocalyptic number.

It is an amenable number.

2012300102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012300102321 is an equidigital number, since it uses as much as digits as its factorization.

2012300102321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2012300102321 its reverse (1232010032102), we get a palindrome (3244310134423).

The spelling of 2012300102321 in words is "two trillion, twelve billion, three hundred million, one hundred two thousand, three hundred twenty-one".