2112025405 has 16 divisors (see below), whose sum is σ = 2905761024. Its totient is φ = 1443611520.

The previous prime is 2112025397. The next prime is 2112025463. The reversal of 2112025405 is 5045202112.

It is not a de Polignac number, because 2112025405 - 2³ = 2112025397 is a prime.

It is a super-2 number, since 2×2112025405² = 8921302622730828050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85441 + ... + 107350.

It is an arithmetic number, because the mean of its divisors is an integer number (181610064).

Almost surely, 2^2112025405 is an apocalyptic number.

It is an amenable number.

2112025405 is a deficient number, since it is larger than the sum of its proper divisors (793735619).

2112025405 is a wasteful number, since it uses less digits than its factorization.

2112025405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193116.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2112025405 is about 45956.7775741511. Note that the first 3 decimals coincide. The cubic root of 2112025405 is about 1283.0188763849.

Adding to 2112025405 its reverse (5045202112), we get a palindrome (7157227517).

The spelling of 2112025405 in words is "two billion, one hundred twelve million, twenty-five thousand, four hundred five".