1284760012 has 36 divisors (see below), whose sum is σ = 2378025216. Its totient is φ = 607255200.

The previous prime is 1284760003. The next prime is 1284760019. The reversal of 1284760012 is 2100674821.

It is not an unprimeable number, because it can be changed into a prime (1284760019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1115637 + ... + 1116787.

It is an arithmetic number, because the mean of its divisors is an integer number (66056256).

Almost surely, 2^1284760012 is an apocalyptic number.

It is an amenable number.

1284760012 is a deficient number, since it is larger than the sum of its proper divisors (1093265204).

1284760012 is a wasteful number, since it uses less digits than its factorization.

1284760012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1284760012 is about 35843.5490988267. The cubic root of 1284760012 is about 1087.1112838421. Note that the first 3 decimals are identical.

The spelling of 1284760012 in words is "one billion, two hundred eighty-four million, seven hundred sixty thousand, twelve".