12340002000 has 80 divisors (see below), whose sum is σ = 39784185792. Its totient is φ = 3290665600.

The previous prime is 12340001987. The next prime is 12340002049. The reversal of 12340002000 is 20004321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1022334 + ... + 1034333.

Almost surely, 2^12340002000 is an apocalyptic number.

12340002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340002000 is an abundant number, since it is smaller than the sum of its proper divisors (27444183792).

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

12340002000 is a wasteful number, since it uses less digits than its factorization.

12340002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056693 (or 2056677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12340002000 its reverse (20004321), we get a palindrome (12360006321).

The spelling of 12340002000 in words is "twelve billion, three hundred forty million, two thousand".