1340004240412 has 12 divisors (see below), whose sum is σ = 2366923378680. Its totient is φ = 663740417936.

The previous prime is 1340004240403. The next prime is 1340004240437. The reversal of 1340004240412 is 2140424000431.

It is a super-2 number, since 2×1340004240412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565425087 + ... + 1565425942.

It is an arithmetic number, because the mean of its divisors is an integer number (197243614890).

Almost surely, 2^{1340004240412} is an apocalyptic number.

It is an amenable number.

1340004240412 is a deficient number, since it is larger than the sum of its proper divisors (1026919138268).

1340004240412 is a wasteful number, since it uses less digits than its factorization.

1340004240412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130851140 (or 3130851138 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1340004240412 its reverse (2140424000431), we get a palindrome (3480428240843).

The spelling of 1340004240412 in words is "one trillion, three hundred forty billion, four million, two hundred forty thousand, four hundred twelve".