12028170512 has 10 divisors (see below), whose sum is σ = 23304580398. Its totient is φ = 6014085248.

The previous prime is 12028170509. The next prime is 12028170521. The reversal of 12028170512 is 21507182021.

It can be written as a sum of positive squares in only one way, i.e., 10886000896 + 1142169616 = 104336^2 + 33796^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375880313 + ... + 375880344.

Almost surely, 2^12028170512 is an apocalyptic number.

It is an amenable number.

12028170512 is a deficient number, since it is larger than the sum of its proper divisors (11276409886).

12028170512 is an equidigital number, since it uses as much as digits as its factorization.

12028170512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751760665 (or 751760659 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 12028170512 in words is "twelve billion, twenty-eight million, one hundred seventy thousand, five hundred twelve".