1340403546012 has 24 divisors (see below), whose sum is σ = 3263591243136. Its totient is φ = 427375043568.

The previous prime is 1340403545903. The next prime is 1340403546017. The reversal of 1340403546012 is 2106453040431.

It is a happy number.

It is a super-2 number, since 2×1340403546012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340403546017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428267018 + ... + 2428267569.

It is an arithmetic number, because the mean of its divisors is an integer number (135982968464).

Almost surely, 2^{1340403546012} is an apocalyptic number.

1340403546012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340403546012 is an abundant number, since it is smaller than the sum of its proper divisors (1923187697124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340403546012 is a wasteful number, since it uses less digits than its factorization.

1340403546012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856534617 (or 4856534615 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1340403546012 its reverse (2106453040431), we get a palindrome (3446856586443).

The spelling of 1340403546012 in words is "one trillion, three hundred forty billion, four hundred three million, five hundred forty-six thousand, twelve".