12143102340 has 24 divisors (see below), whose sum is σ = 34000686720. Its totient is φ = 3238160608.

The previous prime is 12143102299. The next prime is 12143102371. The reversal of 12143102340 is 4320134121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101192460 + ... + 101192579.

It is an arithmetic number, because the mean of its divisors is an integer number (1416695280).

Almost surely, 2^12143102340 is an apocalyptic number.

12143102340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12143102340 is an abundant number, since it is smaller than the sum of its proper divisors (21857584380).

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

12143102340 is a wasteful number, since it uses less digits than its factorization.

12143102340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202385051 (or 202385049 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12143102340 its reverse (4320134121), we get a palindrome (16463236461).

The spelling of 12143102340 in words is "twelve billion, one hundred forty-three million, one hundred two thousand, three hundred forty".