2132128129218 has 16 divisors (see below), whose sum is σ = 4336531788960. Its totient is φ = 698663454656.

The previous prime is 2132128129213. The next prime is 2132128129267. The reversal of 2132128129218 is 8129218212312.

It is a self number, because there is not a number n which added to its sum of digits gives 2132128129218.

It is not an unprimeable number, because it can be changed into a prime (2132128129213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011480055 + ... + 3011480762.

It is an arithmetic number, because the mean of its divisors is an integer number (271033236810).

Almost surely, 2^{2132128129218} is an apocalyptic number.

2132128129218 is an abundant number, since it is smaller than the sum of its proper divisors (2204403659742).

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

2132128129218 is a wasteful number, since it uses less digits than its factorization.

2132128129218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022960881.

The product of its digits is 55296, while the sum is 42.

The spelling of 2132128129218 in words is "two trillion, one hundred thirty-two billion, one hundred twenty-eight million, one hundred twenty-nine thousand, two hundred eighteen".