12030005340 has 36 divisors (see below), whose sum is σ = 36491016744. Its totient is φ = 3208001376.

The previous prime is 12030005333. The next prime is 12030005347. The reversal of 12030005340 is 4350003021.

12030005340 is a `hidden beast` number, since 1 + 20 + 300 + 0 + 5 + 340 = 666.

It is an interprime number because it is at equal distance from previous prime (12030005333) and next prime (12030005347).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030005347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33416502 + ... + 33416861.

It is an arithmetic number, because the mean of its divisors is an integer number (1013639354).

Almost surely, 2^12030005340 is an apocalyptic number.

12030005340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030005340 is an abundant number, since it is smaller than the sum of its proper divisors (24461011404).

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

12030005340 is a wasteful number, since it uses less digits than its factorization.

12030005340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66833378 (or 66833373 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 12030005340 its reverse (4350003021), we get a palindrome (16380008361).

The spelling of 12030005340 in words is "twelve billion, thirty million, five thousand, three hundred forty".