12228474929284 has 6 divisors (see below), whose sum is σ = 21399831126254. Its totient is φ = 6114237464640.

The previous prime is 12228474929191. The next prime is 12228474929291. The reversal of 12228474929284 is 48292947482221.

It can be written as a sum of positive squares in only one way, i.e., 10193652562500 + 2034822366784 = 3192750^2 + 1426472^2 .

It is a super-2 number, since 2×12228474929284² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1528559366157 + ... + 1528559366164.

Almost surely, 2^{12228474929284} is an apocalyptic number.

It is an amenable number.

12228474929284 is a deficient number, since it is larger than the sum of its proper divisors (9171356196970).

12228474929284 is a wasteful number, since it uses less digits than its factorization.

12228474929284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057118732325 (or 3057118732323 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 64.

The spelling of 12228474929284 in words is "twelve trillion, two hundred twenty-eight billion, four hundred seventy-four million, nine hundred twenty-nine thousand, two hundred eighty-four".