2012232331217 has 2 divisors, whose sum is σ = 2012232331218. Its totient is φ = 2012232331216.

The previous prime is 2012232331199. The next prime is 2012232331271. The reversal of 2012232331217 is 7121332322102.

Together with next prime (2012232331271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1780732782481 + 231499548736 = 1334441^2 + 481144^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012232331217 - 2¹² = 2012232327121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012232331217.

It is not a weakly prime, because it can be changed into another prime (2012232331297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006116165608 + 1006116165609.

It is an arithmetic number, because the mean of its divisors is an integer number (1006116165609).

Almost surely, 2^{2012232331217} is an apocalyptic number.

It is an amenable number.

2012232331217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012232331217 is an equidigital number, since it uses as much as digits as its factorization.

2012232331217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 2012232331217 its reverse (7121332322102), we get a palindrome (9133564653319).

The spelling of 2012232331217 in words is "two trillion, twelve billion, two hundred thirty-two million, three hundred thirty-one thousand, two hundred seventeen".