12207216168 has 96 divisors (see below), whose sum is σ = 37801108800. Its totient is φ = 3486219264.

The previous prime is 12207216127. The next prime is 12207216173. The reversal of 12207216168 is 86161270221.

12207216168 is a `hidden beast` number, since 12 + 2 + 0 + 7 + 21 + 616 + 8 = 666.

It is a super-2 number, since 2×12207216168² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1593355 + ... + 1600997.

It is an arithmetic number, because the mean of its divisors is an integer number (393761550).

Almost surely, 2^12207216168 is an apocalyptic number.

12207216168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12207216168 is an abundant number, since it is smaller than the sum of its proper divisors (25593892632).

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

12207216168 is a wasteful number, since it uses less digits than its factorization.

12207216168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831 (or 10824 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Adding to 12207216168 its reverse (86161270221), we get a palindrome (98368486389).

The spelling of 12207216168 in words is "twelve billion, two hundred seven million, two hundred sixteen thousand, one hundred sixty-eight".