12216061111562 has 64 divisors (see below), whose sum is σ = 23704958382336. Its totient is φ = 4583127951360.

The previous prime is 12216061111543. The next prime is 12216061111621. The reversal of 12216061111562 is 26511116061221.

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 31 ways as a sum of consecutive naturals, for example, 10498433 + ... + 11603844.

It is an arithmetic number, because the mean of its divisors is an integer number (370389974724).

Almost surely, 2^{12216061111562} is an apocalyptic number.

12216061111562 is a deficient number, since it is larger than the sum of its proper divisors (11488897270774).

12216061111562 is a wasteful number, since it uses less digits than its factorization.

12216061111562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22102431.

The product of its (nonzero) digits is 8640, while the sum is 35.

Adding to 12216061111562 its reverse (26511116061221), we get a palindrome (38727177172783).

The spelling of 12216061111562 in words is "twelve trillion, two hundred sixteen billion, sixty-one million, one hundred eleven thousand, five hundred sixty-two".