1972227984000 has 128 divisors (see below), whose sum is σ = 6537935926080. Its totient is φ = 525927449600.

The previous prime is 1972227983951. The next prime is 1972227984047. The reversal of 1972227984000 is 4897222791.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20496042 + ... + 20592041.

Almost surely, 2^{1972227984000} is an apocalyptic number.

1972227984000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1972227984000 is an abundant number, since it is smaller than the sum of its proper divisors (4565707942080).

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

1972227984000 is an equidigital number, since it uses as much as digits as its factorization.

1972227984000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41088115 (or 41088093 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 1972227984000 in words is "one trillion, nine hundred seventy-two billion, two hundred twenty-seven million, nine hundred eighty-four thousand".