12217007211412 has 24 divisors (see below), whose sum is σ = 22533250551840. Its totient is φ = 5779742404320.

The previous prime is 12217007211379. The next prime is 12217007211439. The reversal of 12217007211412 is 21411270071221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100786414 + ... + 100907557.

It is an arithmetic number, because the mean of its divisors is an integer number (938885439660).

Almost surely, 2^{12217007211412} is an apocalyptic number.

It is an amenable number.

12217007211412 is a deficient number, since it is larger than the sum of its proper divisors (10316243340428).

12217007211412 is a wasteful number, since it uses less digits than its factorization.

12217007211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201694791 (or 201694789 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

Adding to 12217007211412 its reverse (21411270071221), we get a palindrome (33628277282633).

The spelling of 12217007211412 in words is "twelve trillion, two hundred seventeen billion, seven million, two hundred eleven thousand, four hundred twelve".