1340412323212 has 12 divisors (see below), whose sum is σ = 2345987010640. Its totient is φ = 670130320176.

The previous prime is 1340412323207. The next prime is 1340412323267. The reversal of 1340412323212 is 2123232140431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18920583 + ... + 18991294.

Almost surely, 2^{1340412323212} is an apocalyptic number.

It is an amenable number.

1340412323212 is a deficient number, since it is larger than the sum of its proper divisors (1005574687428).

1340412323212 is a wasteful number, since it uses less digits than its factorization.

1340412323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37920720 (or 37920718 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1340412323212 its reverse (2123232140431), we get a palindrome (3463644463643).

The spelling of 1340412323212 in words is "one trillion, three hundred forty billion, four hundred twelve million, three hundred twenty-three thousand, two hundred twelve".