1340402030412 has 12 divisors (see below), whose sum is σ = 3127604737656. Its totient is φ = 446800676800.

The previous prime is 1340402030333. The next prime is 1340402030413. The reversal of 1340402030412 is 2140302040431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1340402030412² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340402030413) 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, 55850084589 + ... + 55850084612.

It is an arithmetic number, because the mean of its divisors is an integer number (260633728138).

Almost surely, 2^{1340402030412} is an apocalyptic number.

1340402030412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340402030412 is an abundant number, since it is smaller than the sum of its proper divisors (1787202707244).

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

1340402030412 is a wasteful number, since it uses less digits than its factorization.

1340402030412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111700169208 (or 111700169206 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1340402030412 its reverse (2140302040431), we get a palindrome (3480704070843).

The spelling of 1340402030412 in words is "one trillion, three hundred forty billion, four hundred two million, thirty thousand, four hundred twelve".