2012130320251 has 2 divisors, whose sum is σ = 2012130320252. Its totient is φ = 2012130320250.

The previous prime is 2012130320237. The next prime is 2012130320273. The reversal of 2012130320251 is 1520230312102.

It is an a-pointer prime, because the next prime (2012130320273) can be obtained adding 2012130320251 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012130320251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012130320951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006065160125 + 1006065160126.

It is an arithmetic number, because the mean of its divisors is an integer number (1006065160126).

Almost surely, 2^{2012130320251} is an apocalyptic number.

2012130320251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012130320251 is an equidigital number, since it uses as much as digits as its factorization.

2012130320251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 2012130320251 its reverse (1520230312102), we get a palindrome (3532360632353).

The spelling of 2012130320251 in words is "two trillion, twelve billion, one hundred thirty million, three hundred twenty thousand, two hundred fifty-one".