1283264012 has 12 divisors (see below), whose sum is σ = 2246979840. Its totient is φ = 641269776.

The previous prime is 1283263997. The next prime is 1283264029. The reversal of 1283264012 is 2104623821.

It is a happy number.

It is a super-2 number, since 2×1283264012² = 3293533048988672288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82508 + ... + 96819.

It is an arithmetic number, because the mean of its divisors is an integer number (187248320).

Almost surely, 2^1283264012 is an apocalyptic number.

It is an amenable number.

1283264012 is a deficient number, since it is larger than the sum of its proper divisors (963715828).

1283264012 is a wasteful number, since it uses less digits than its factorization.

1283264012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181120 (or 181118 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1283264012 is about 35822.6745511834. The cubic root of 1283264012 is about 1086.6891686576.

Adding to 1283264012 its reverse (2104623821), we get a palindrome (3387887833).

The spelling of 1283264012 in words is "one billion, two hundred eighty-three million, two hundred sixty-four thousand, twelve".