12216000536616 has 64 divisors (see below), whose sum is σ = 32147771400000. Its totient is φ = 3857636192256.

The previous prime is 12216000536611. The next prime is 12216000536629. The reversal of 12216000536616 is 61663500061221.

It is a super-2 number, since 2×12216000536616² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12216000536611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60359560 + ... + 60561608.

It is an arithmetic number, because the mean of its divisors is an integer number (502308928125).

Almost surely, 2^{12216000536616} is an apocalyptic number.

It is an amenable number.

12216000536616 is an abundant number, since it is smaller than the sum of its proper divisors (19931770863384).

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

12216000536616 is a wasteful number, since it uses less digits than its factorization.

12216000536616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334666 (or 334662 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

Adding to 12216000536616 its reverse (61663500061221), we get a palindrome (73879500597837).

The spelling of 12216000536616 in words is "twelve trillion, two hundred sixteen billion, five hundred thirty-six thousand, six hundred sixteen".