2001131403412 has 12 divisors (see below), whose sum is σ = 3536653025556. Its totient is φ = 990659110400.

The previous prime is 2001131403407. The next prime is 2001131403449. The reversal of 2001131403412 is 2143041311002.

It can be written as a sum of positive squares in 2 ways, for example, as 985643897616 + 1015487505796 = 992796^2 + 1007714^2 .

It is a congruent number.

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, 2476647373 + ... + 2476648180.

It is an arithmetic number, because the mean of its divisors is an integer number (294721085463).

Almost surely, 2^{2001131403412} is an apocalyptic number.

It is an amenable number.

2001131403412 is a deficient number, since it is larger than the sum of its proper divisors (1535521622144).

2001131403412 is a wasteful number, since it uses less digits than its factorization.

2001131403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953295658 (or 4953295656 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2001131403412 its reverse (2143041311002), we get a palindrome (4144172714414).

The spelling of 2001131403412 in words is "two trillion, one billion, one hundred thirty-one million, four hundred three thousand, four hundred twelve".