1340230012 has 24 divisors (see below), whose sum is σ = 2646851760. Its totient is φ = 588188160.

The previous prime is 1340229991. The next prime is 1340230043. The reversal of 1340230012 is 2100320431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523893 + ... + 526444.

It is an arithmetic number, because the mean of its divisors is an integer number (110285490).

Almost surely, 2^1340230012 is an apocalyptic number.

It is an amenable number.

1340230012 is a deficient number, since it is larger than the sum of its proper divisors (1306621748).

1340230012 is a wasteful number, since it uses less digits than its factorization.

1340230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050381 (or 1050379 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1340230012 is about 36609.1520251426. The cubic root of 1340230012 is about 1102.5368479894.

Adding to 1340230012 its reverse (2100320431), we get a palindrome (3440550443).

The spelling of 1340230012 in words is "one billion, three hundred forty million, two hundred thirty thousand, twelve".