131406205012 has 24 divisors (see below), whose sum is σ = 230229639360. Its totient is φ = 65626355520.

The previous prime is 131406204899. The next prime is 131406205033. The reversal of 131406205012 is 210502604131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18429064 + ... + 18436192.

It is an arithmetic number, because the mean of its divisors is an integer number (9592901640).

Almost surely, 2^131406205012 is an apocalyptic number.

It is an amenable number.

131406205012 is a deficient number, since it is larger than the sum of its proper divisors (98823434348).

131406205012 is a wasteful number, since it uses less digits than its factorization.

131406205012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871 (or 11869 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 131406205012 its reverse (210502604131), we get a palindrome (341908809143).

The spelling of 131406205012 in words is "one hundred thirty-one billion, four hundred six million, two hundred five thousand, twelve".