2131104012 has 12 divisors (see below), whose sum is σ = 4972576056. Its totient is φ = 710368000.

The previous prime is 2131103993. The next prime is 2131104023. The reversal of 2131104012 is 2104011312.

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

It is a super-2 number, since 2×2131104012² = 9083208619924992288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131103982 and 2131104000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88795989 + ... + 88796012.

It is an arithmetic number, because the mean of its divisors is an integer number (414381338).

Almost surely, 2^2131104012 is an apocalyptic number.

It is an amenable number.

2131104012 is an abundant number, since it is smaller than the sum of its proper divisors (2841472044).

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

2131104012 is a wasteful number, since it uses less digits than its factorization.

2131104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177592008 (or 177592006 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2131104012 is about 46163.8821157840. The cubic root of 2131104012 is about 1286.8706094197.

Adding to 2131104012 its reverse (2104011312), we get a palindrome (4235115324).

The spelling of 2131104012 in words is "two billion, one hundred thirty-one million, one hundred four thousand, twelve".