2102412305 has 16 divisors (see below), whose sum is σ = 2901005184. Its totient is φ = 1432805760.

The previous prime is 2102412251. The next prime is 2102412307. The reversal of 2102412305 is 5032142012.

It is not a de Polignac number, because 2102412305 - 2¹⁰ = 2102411281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102412307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178556 + ... + 189965.

It is an arithmetic number, because the mean of its divisors is an integer number (181312824).

Almost surely, 2^2102412305 is an apocalyptic number.

It is an amenable number.

2102412305 is a deficient number, since it is larger than the sum of its proper divisors (798592879).

2102412305 is a wasteful number, since it uses less digits than its factorization.

2102412305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368696.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2102412305 is about 45852.0698006099. The cubic root of 2102412305 is about 1281.0693182296.

Adding to 2102412305 its reverse (5032142012), we get a palindrome (7134554317).

The spelling of 2102412305 in words is "two billion, one hundred two million, four hundred twelve thousand, three hundred five".