2112209984 has 14 divisors (see below), whose sum is σ = 4191416814. Its totient is φ = 1056104960.

The previous prime is 2112209977. The next prime is 2112209989. The reversal of 2112209984 is 4899022112.

It can be written as a sum of positive squares in only one way, i.e., 2091049984 + 21160000 = 45728^2 + 4600^2 .

It is a super-2 number, since 2×2112209984² = 8922862033018560512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112209989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16501577 + ... + 16501704.

Almost surely, 2^2112209984 is an apocalyptic number.

It is an amenable number.

2112209984 is a deficient number, since it is larger than the sum of its proper divisors (2079206830).

2112209984 is an equidigital number, since it uses as much as digits as its factorization.

2112209984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33003293 (or 33003283 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2112209984 is about 45958.7857106778. The cubic root of 2112209984 is about 1283.0562514786.

The spelling of 2112209984 in words is "two billion, one hundred twelve million, two hundred nine thousand, nine hundred eighty-four".