131021332012 has 24 divisors (see below), whose sum is σ = 233640514800. Its totient is φ = 64267185216.

The previous prime is 131021331979. The next prime is 131021332061. The reversal of 131021332012 is 210233120131.

131021332012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103939 + ... + 2165317.

It is an arithmetic number, because the mean of its divisors is an integer number (9735021450).

Almost surely, 2^131021332012 is an apocalyptic number.

It is an amenable number.

131021332012 is a deficient number, since it is larger than the sum of its proper divisors (102619182788).

131021332012 is a wasteful number, since it uses less digits than its factorization.

131021332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71505 (or 71503 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131021332012 its reverse (210233120131), we get a palindrome (341254452143).

The spelling of 131021332012 in words is "one hundred thirty-one billion, twenty-one million, three hundred thirty-two thousand, twelve".