131144422012 has 24 divisors (see below), whose sum is σ = 230336035776. Its totient is φ = 65334224448.

The previous prime is 131144421979. The next prime is 131144422063. The reversal of 131144422012 is 210224441131.

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, 7225693 + ... + 7243819.

It is an arithmetic number, because the mean of its divisors is an integer number (9597334824).

Almost surely, 2^131144422012 is an apocalyptic number.

It is an amenable number.

131144422012 is a deficient number, since it is larger than the sum of its proper divisors (99191613764).

131144422012 is a wasteful number, since it uses less digits than its factorization.

131144422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24597 (or 24595 counting only the distinct ones).

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

Adding to 131144422012 its reverse (210224441131), we get a palindrome (341368863143).

The spelling of 131144422012 in words is "one hundred thirty-one billion, one hundred forty-four million, four hundred twenty-two thousand, twelve".