2105422012 has 6 divisors (see below), whose sum is σ = 3684488528. Its totient is φ = 1052711004.

The previous prime is 2105421971. The next prime is 2105422027. The reversal of 2105422012 is 2102245012.

It is a super-2 number, since 2×2105422012² = 8865603697228256288, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 263177748 + ... + 263177755.

Almost surely, 2^2105422012 is an apocalyptic number.

It is an amenable number.

2105422012 is a deficient number, since it is larger than the sum of its proper divisors (1579066516).

2105422012 is a wasteful number, since it uses less digits than its factorization.

2105422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526355507 (or 526355505 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2105422012 is about 45884.8778139378. The cubic root of 2105422012 is about 1281.6803314134.

Adding to 2105422012 its reverse (2102245012), we get a palindrome (4207667024).

The spelling of 2105422012 in words is "two billion, one hundred five million, four hundred twenty-two thousand, twelve".