2012642159501 has 2 divisors, whose sum is σ = 2012642159502. Its totient is φ = 2012642159500.

The previous prime is 2012642159491. The next prime is 2012642159503. The reversal of 2012642159501 is 1059512462102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1984182132100 + 28460027401 = 1408610^2 + 168701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012642159501 is a prime.

It is a Sophie Germain prime.

Together with 2012642159503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012642159503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006321079750 + 1006321079751.

It is an arithmetic number, because the mean of its divisors is an integer number (1006321079751).

Almost surely, 2^{2012642159501} is an apocalyptic number.

It is an amenable number.

2012642159501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012642159501 is an equidigital number, since it uses as much as digits as its factorization.

2012642159501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 2012642159501 in words is "two trillion, twelve billion, six hundred forty-two million, one hundred fifty-nine thousand, five hundred one".