2112130450 has 12 divisors (see below), whose sum is σ = 3928562730. Its totient is φ = 844852160.

The previous prime is 2112130441. The next prime is 2112130487. The reversal of 2112130450 is 540312112.

It can be written as a sum of positive squares in 3 ways, for example, as 1621109169 + 491021281 = 40263^2 + 22159^2 .

It is a super-2 number, since 2×2112130450² = 8922190075634405000, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 21121255 + ... + 21121354.

Almost surely, 2^2112130450 is an apocalyptic number.

2112130450 is a deficient number, since it is larger than the sum of its proper divisors (1816432280).

2112130450 is a wasteful number, since it uses less digits than its factorization.

2112130450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42242621 (or 42242616 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2112130450 is about 45957.9204272778. The cubic root of 2112130450 is about 1283.0401470387.

Adding to 2112130450 its reverse (540312112), we get a palindrome (2652442562).

The spelling of 2112130450 in words is "two billion, one hundred twelve million, one hundred thirty thousand, four hundred fifty".