1340340304012 has 12 divisors (see below), whose sum is σ = 2355838308880. Its totient is φ = 667243644336.

The previous prime is 1340340303997. The next prime is 1340340304019. The reversal of 1340340304012 is 2104030430431.

It is a super-2 number, since 2×1340340304012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340340304019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731625888 + ... + 731627719.

Almost surely, 2^{1340340304012} is an apocalyptic number.

It is an amenable number.

1340340304012 is a deficient number, since it is larger than the sum of its proper divisors (1015498004868).

1340340304012 is a wasteful number, since it uses less digits than its factorization.

1340340304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463253840 (or 1463253838 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1340340304012 its reverse (2104030430431), we get a palindrome (3444370734443).

The spelling of 1340340304012 in words is "one trillion, three hundred forty billion, three hundred forty million, three hundred four thousand, twelve".