2140212305 has 48 divisors (see below), whose sum is σ = 3267586560. Its totient is φ = 1317064320.

The previous prime is 2140212293. The next prime is 2140212367. The reversal of 2140212305 is 5032120412.

It is not a de Polignac number, because 2140212305 - 2²⁶ = 2073103441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331367 + ... + 337763.

It is an arithmetic number, because the mean of its divisors is an integer number (68074720).

Almost surely, 2^2140212305 is an apocalyptic number.

It is an amenable number.

2140212305 is a deficient number, since it is larger than the sum of its proper divisors (1127374255).

2140212305 is a wasteful number, since it uses less digits than its factorization.

2140212305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510 (or 6499 counting only the distinct ones).

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

The square root of 2140212305 is about 46262.4286543627. The cubic root of 2140212305 is about 1288.7013561943.

Adding to 2140212305 its reverse (5032120412), we get a palindrome (7172332717).

The spelling of 2140212305 in words is "two billion, one hundred forty million, two hundred twelve thousand, three hundred five".