2131440412012 has 12 divisors (see below), whose sum is σ = 3774960730296. Its totient is φ = 1052880203360.

The previous prime is 2131440411959. The next prime is 2131440412063. The reversal of 2131440412012 is 2102140441312.

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, 3210000289 + ... + 3210000952.

It is an arithmetic number, because the mean of its divisors is an integer number (314580060858).

Almost surely, 2^{2131440412012} is an apocalyptic number.

It is an amenable number.

2131440412012 is a deficient number, since it is larger than the sum of its proper divisors (1643520318284).

2131440412012 is a wasteful number, since it uses less digits than its factorization.

2131440412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420001328 (or 6420001326 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2131440412012 its reverse (2102140441312), we get a palindrome (4233580853324).

It can be divided in two parts, 2131440 and 412012, that added together give a palindrome (2543452).

The spelling of 2131440412012 in words is "two trillion, one hundred thirty-one billion, four hundred forty million, four hundred twelve thousand, twelve".