131142143320012 has 24 divisors (see below), whose sum is σ = 250413337101312. Its totient is φ = 59597907171600.

The previous prime is 131142143319961. The next prime is 131142143320037. The reversal of 131142143320012 is 210023341241131.

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, 303731164 + ... + 304162627.

It is an arithmetic number, because the mean of its divisors is an integer number (10433889045888).

Almost surely, 2^{131142143320012} is an apocalyptic number.

It is an amenable number.

131142143320012 is a deficient number, since it is larger than the sum of its proper divisors (119271193781300).

131142143320012 is a wasteful number, since it uses less digits than its factorization.

131142143320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607898709 (or 607898707 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131142143320012 its reverse (210023341241131), we get a palindrome (341165484561143).

The spelling of 131142143320012 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred forty-three million, three hundred twenty thousand, twelve".