12028283217 has 16 divisors (see below), whose sum is σ = 17939280000. Its totient is φ = 7965034992.

The previous prime is 12028283209. The next prime is 12028283237. The reversal of 12028283217 is 71238282021.

It is not a de Polignac number, because 12028283217 - 2³ = 12028283209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12028283237) 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, 1490917 + ... + 1498962.

It is an arithmetic number, because the mean of its divisors is an integer number (1121205000).

Almost surely, 2^12028283217 is an apocalyptic number.

It is an amenable number.

12028283217 is a deficient number, since it is larger than the sum of its proper divisors (5910996783).

12028283217 is a wasteful number, since it uses less digits than its factorization.

12028283217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990037 (or 2990031 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 12028283217 in words is "twelve billion, twenty-eight million, two hundred eighty-three thousand, two hundred seventeen".