12195120268 has 18 divisors (see below), whose sum is σ = 21805211036. Its totient is φ = 5967820488.

The previous prime is 12195120241. The next prime is 12195120359. The reversal of 12195120268 is 86202159121.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681246 + ... + 698917.

Almost surely, 2^12195120268 is an apocalyptic number.

It is an amenable number.

12195120268 is a deficient number, since it is larger than the sum of its proper divisors (9610090768).

12195120268 is a wasteful number, since it uses less digits than its factorization.

12195120268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380261 (or 1380212 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

Adding to 12195120268 its reverse (86202159121), we get a palindrome (98397279389).

The spelling of 12195120268 in words is "twelve billion, one hundred ninety-five million, one hundred twenty thousand, two hundred sixty-eight".