2103122131212 has 12 divisors (see below), whose sum is σ = 4907284972856. Its totient is φ = 701040710400.

The previous prime is 2103122131199. The next prime is 2103122131237. The reversal of 2103122131212 is 2121312213012.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 87630088789 + ... + 87630088812.

Almost surely, 2^{2103122131212} is an apocalyptic number.

It is an amenable number.

2103122131212 is an abundant number, since it is smaller than the sum of its proper divisors (2804162841644).

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

2103122131212 is a wasteful number, since it uses less digits than its factorization.

2103122131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175260177608 (or 175260177606 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2103122131212 its reverse (2121312213012), we get a palindrome (4224434344224).

The spelling of 2103122131212 in words is "two trillion, one hundred three billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred twelve".