12219648068 has 24 divisors (see below), whose sum is σ = 22518871200. Its totient is φ = 5785941888.

The previous prime is 12219648029. The next prime is 12219648073. The reversal of 12219648068 is 86084691221.

It is a super-2 number, since 2×12219648068² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167471 + ... + 229097.

It is an arithmetic number, because the mean of its divisors is an integer number (938286300).

Almost surely, 2^12219648068 is an apocalyptic number.

It is an amenable number.

12219648068 is a deficient number, since it is larger than the sum of its proper divisors (10299223132).

12219648068 is a wasteful number, since it uses less digits than its factorization.

12219648068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64259 (or 64257 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 12219648068 in words is "twelve billion, two hundred nineteen million, six hundred forty-eight thousand, sixty-eight".