12143014020 has 192 divisors, whose sum is σ = 38349642240. Its totient is φ = 3189528576.

The previous prime is 12143013991. The next prime is 12143014027. The reversal of 12143014020 is 2041034121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12143013984 and 12143014002.

It is not an unprimeable number, because it can be changed into a prime (12143014027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12958992 + ... + 12959928.

It is an arithmetic number, because the mean of its divisors is an integer number (199737720).

Almost surely, 2^12143014020 is an apocalyptic number.

12143014020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12143014020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19174821120).

12143014020 is an abundant number, since it is smaller than the sum of its proper divisors (26206628220).

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

12143014020 is a wasteful number, since it uses less digits than its factorization.

12143014020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12143014020 its reverse (2041034121), we get a palindrome (14184048141).

The spelling of 12143014020 in words is "twelve billion, one hundred forty-three million, fourteen thousand, twenty".