12217050706662 has 24 divisors (see below), whose sum is σ = 27450657144456. Its totient is φ = 4072350235392.

The previous prime is 12217050706633. The next prime is 12217050706691. The reversal of 12217050706662 is 26660705071221.

It is an interprime number because it is at equal distance from previous prime (12217050706633) and next prime (12217050706691).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 12568981723 + ... + 12568982694.

It is an arithmetic number, because the mean of its divisors is an integer number (1143777381019).

Almost surely, 2^{12217050706662} is an apocalyptic number.

12217050706662 is an abundant number, since it is smaller than the sum of its proper divisors (15233606437794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12217050706662 is an equidigital number, since it uses as much as digits as its factorization.

12217050706662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25137964434 (or 25137964422 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

Adding to 12217050706662 its reverse (26660705071221), we get a palindrome (38877755777883).

The spelling of 12217050706662 in words is "twelve trillion, two hundred seventeen billion, fifty million, seven hundred six thousand, six hundred sixty-two".