2143065612100 has 216 divisors, whose sum is σ = 5486825070720. Its totient is φ = 726458853120.

The previous prime is 2143065612097. The next prime is 2143065612161. The reversal of 2143065612100 is 12165603412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 149575137 + ... + 149589463.

It is an arithmetic number, because the mean of its divisors is an integer number (25401967920).

Almost surely, 2^{2143065612100} is an apocalyptic number.

2143065612100 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 2143065612100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743412535360).

2143065612100 is an abundant number, since it is smaller than the sum of its proper divisors (3343759458620).

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

2143065612100 is an equidigital number, since it uses as much as digits as its factorization.

2143065612100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14465 (or 14430 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 2143065612100 in words is "two trillion, one hundred forty-three billion, sixty-five million, six hundred twelve thousand, one hundred".