2143005000000 has 224 divisors, whose sum is σ = 7087574043264. Its totient is φ = 571464000000.

The previous prime is 2143004999977. The next prime is 2143005000007. The reversal of 2143005000000 is 5003412.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143005000007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14928567 + ... + 15071433.

Almost surely, 2^{2143005000000} is an apocalyptic number.

2143005000000 is a gapful number since it is divisible by the number (20) 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 2143005000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3543787021632).

2143005000000 is an abundant number, since it is smaller than the sum of its proper divisors (4944569043264).

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

2143005000000 is an frugal number, since it uses more digits than its factorization.

2143005000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142917 (or 142877 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The spelling of 2143005000000 in words is "two trillion, one hundred forty-three billion, five million", and thus it is an aban number.