2183997312000 has 528 divisors, whose sum is σ = 8994540140352. Its totient is φ = 499197542400.

The previous prime is 2183997311999. The next prime is 2183997312019. The reversal of 2183997312000 is 2137993812.

2183997312000 is a `hidden beast` number, since 21 + 8 + 399 + 7 + 31 + 200 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7928584 + ... + 8199416.

Almost surely, 2^{2183997312000} is an apocalyptic number.

2183997312000 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 2183997312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4497270070176).

2183997312000 is an abundant number, since it is smaller than the sum of its proper divisors (6810542828352).

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

2183997312000 is a wasteful number, since it uses less digits than its factorization.

2183997312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270881 (or 270850 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 2183997312000 in words is "two trillion, one hundred eighty-three billion, nine hundred ninety-seven million, three hundred twelve thousand".