131020420444012 has 48 divisors (see below), whose sum is σ = 256794740826624. Its totient is φ = 57985023512000.

The previous prime is 131020420444007. The next prime is 131020420444051. The reversal of 131020420444012 is 210444024020131.

131020420444012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131020420444012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214136164 + ... + 214747147.

It is an arithmetic number, because the mean of its divisors is an integer number (5349890433888).

Almost surely, 2^{131020420444012} is an apocalyptic number.

It is an amenable number.

131020420444012 is a deficient number, since it is larger than the sum of its proper divisors (125774320382612).

131020420444012 is a wasteful number, since it uses less digits than its factorization.

131020420444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428883510 (or 428883508 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 131020420444012 its reverse (210444024020131), we get a palindrome (341464444464143).

The spelling of 131020420444012 in words is "one hundred thirty-one trillion, twenty billion, four hundred twenty million, four hundred forty-four thousand, twelve".