2412220985 has 4 divisors (see below), whose sum is σ = 2894665188. Its totient is φ = 1929776784.

The previous prime is 2412220973. The next prime is 2412221017. The reversal of 2412220985 is 5890222142.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1734972409 + 677248576 = 41653^2 + 26024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2412220985 - 2⁴ = 2412220969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241222094 + ... + 241222103.

It is an arithmetic number, because the mean of its divisors is an integer number (723666297).

Almost surely, 2^2412220985 is an apocalyptic number.

It is an amenable number.

2412220985 is a deficient number, since it is larger than the sum of its proper divisors (482444203).

2412220985 is an equidigital number, since it uses as much as digits as its factorization.

2412220985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482444202.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2412220985 is about 49114.3663809277. The cubic root of 2412220985 is about 1341.1345898524.

The spelling of 2412220985 in words is "two billion, four hundred twelve million, two hundred twenty thousand, nine hundred eighty-five".