2112020450 has 12 divisors (see below), whose sum is σ = 3928358130. Its totient is φ = 844808160.

The previous prime is 2112020441. The next prime is 2112020453. The reversal of 2112020450 is 540202112.

It can be written as a sum of positive squares in 3 ways, for example, as 1806505009 + 305515441 = 42503^2 + 17479^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2112020453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21120155 + ... + 21120254.

Almost surely, 2^2112020450 is an apocalyptic number.

2112020450 is a deficient number, since it is larger than the sum of its proper divisors (1816337680).

2112020450 is a wasteful number, since it uses less digits than its factorization.

2112020450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42240421 (or 42240416 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2112020450 is about 45956.7236647697. The cubic root of 2112020450 is about 1283.0178730252.

Adding to 2112020450 its reverse (540202112), we get a palindrome (2652222562).

The spelling of 2112020450 in words is "two billion, one hundred twelve million, twenty thousand, four hundred fifty".