1340130012 has 48 divisors (see below), whose sum is σ = 3424606080. Its totient is φ = 405355968.

The previous prime is 1340130007. The next prime is 1340130037. The reversal of 1340130012 is 2100310431.

It is a junction number, because it is equal to n+sod(n) for n = 1340129973 and 1340130000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63598 + ... + 82005.

It is an arithmetic number, because the mean of its divisors is an integer number (71345960).

Almost surely, 2^1340130012 is an apocalyptic number.

1340130012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340130012 is an abundant number, since it is smaller than the sum of its proper divisors (2084476068).

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

1340130012 is a wasteful number, since it uses less digits than its factorization.

1340130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145682 (or 145680 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1340130012 is about 36607.7862209667. The cubic root of 1340130012 is about 1102.5094257245.

Adding to 1340130012 its reverse (2100310431), we get a palindrome (3440440443).

The spelling of 1340130012 in words is "one billion, three hundred forty million, one hundred thirty thousand, twelve".