2099428128000 has 1296 divisors, whose sum is σ = 9073083801600. Its totient is φ = 464292864000.

The previous prime is 2099428127999. The next prime is 2099428128013. The reversal of 2099428128000 is 8218249902.

It is a happy number.

2099428128000 is a `hidden beast` number, since 2 + 0 + 9 + 94 + 281 + 280 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 437469601 + ... + 437474399.

Almost surely, 2^{2099428128000} is an apocalyptic number.

2099428128000 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 2099428128000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536541900800).

2099428128000 is an abundant number, since it is smaller than the sum of its proper divisors (6973655673600).

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

2099428128000 is a wasteful number, since it uses less digits than its factorization.

2099428128000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881 (or 4847 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 2099428128000 in words is "two trillion, ninety-nine billion, four hundred twenty-eight million, one hundred twenty-eight thousand".