12842187340 has 24 divisors (see below), whose sum is σ = 26972985312. Its totient is φ = 5136038400.

The previous prime is 12842187331. The next prime is 12842187341. The reversal of 12842187340 is 4378124821.

It is a junction number, because it is equal to n+sod(n) for n = 12842187293 and 12842187302.

It is not an unprimeable number, because it can be changed into a prime (12842187341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82012 + ... + 180028.

It is an arithmetic number, because the mean of its divisors is an integer number (1123874388).

Almost surely, 2^12842187340 is an apocalyptic number.

12842187340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12842187340 is an abundant number, since it is smaller than the sum of its proper divisors (14130797972).

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

12842187340 is a wasteful number, since it uses less digits than its factorization.

12842187340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104577 (or 104575 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 12842187340 in words is "twelve billion, eight hundred forty-two million, one hundred eighty-seven thousand, three hundred forty".