2105231202012 has 48 divisors (see below), whose sum is σ = 4975479756800. Its totient is φ = 692708552640.

The previous prime is 2105231202007. The next prime is 2105231202017. The reversal of 2105231202012 is 2102021325012.

It is an interprime number because it is at equal distance from previous prime (2105231202007) and next prime (2105231202017).

It is a self number, because there is not a number n which added to its sum of digits gives 2105231202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105231202017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4110414 + ... + 4594122.

Almost surely, 2^{2105231202012} is an apocalyptic number.

It is an amenable number.

2105231202012 is an abundant number, since it is smaller than the sum of its proper divisors (2870248554788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105231202012 is a wasteful number, since it uses less digits than its factorization.

2105231202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488386 (or 488384 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 2105231202012 its reverse (2102021325012), we get a palindrome (4207252527024).

The spelling of 2105231202012 in words is "two trillion, one hundred five billion, two hundred thirty-one million, two hundred two thousand, twelve".