2031212205 has 48 divisors (see below), whose sum is σ = 3845185344. Its totient is φ = 983715840.

The previous prime is 2031212129. The next prime is 2031212257. The reversal of 2031212205 is 5022121302.

It is not a de Polignac number, because 2031212205 - 2⁷ = 2031212077 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 585837 + ... + 589293.

It is an arithmetic number, because the mean of its divisors is an integer number (80108028).

Almost surely, 2^2031212205 is an apocalyptic number.

It is an amenable number.

2031212205 is a deficient number, since it is larger than the sum of its proper divisors (1813973139).

2031212205 is a wasteful number, since it uses less digits than its factorization.

2031212205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666 (or 4663 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2031212205 is about 45068.9716434711. The cubic root of 2031212205 is about 1266.4413998835.

Adding to 2031212205 its reverse (5022121302), we get a palindrome (7053333507).

The spelling of 2031212205 in words is "two billion, thirty-one million, two hundred twelve thousand, two hundred five".