131212052044 has 48 divisors (see below), whose sum is σ = 252305625600. Its totient is φ = 59429500416.

The previous prime is 131212052033. The next prime is 131212052077. The reversal of 131212052044 is 440250212131.

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 15 ways as a sum of consecutive naturals, for example, 5527569 + ... + 5551255.

It is an arithmetic number, because the mean of its divisors is an integer number (5256367200).

Almost surely, 2^131212052044 is an apocalyptic number.

It is an amenable number.

131212052044 is a deficient number, since it is larger than the sum of its proper divisors (121093573556).

131212052044 is a wasteful number, since it uses less digits than its factorization.

131212052044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26902 (or 26900 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 131212052044 its reverse (440250212131), we get a palindrome (571462264175).

The spelling of 131212052044 in words is "one hundred thirty-one billion, two hundred twelve million, fifty-two thousand, forty-four".