131142124012 has 12 divisors (see below), whose sum is σ = 229558618296. Its totient is φ = 65553947360.

The previous prime is 131142123943. The next prime is 131142124019. The reversal of 131142124012 is 210421241131.

It is a super-2 number, since 2×131142124012² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131142124019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4261414 + ... + 4292077.

It is an arithmetic number, because the mean of its divisors is an integer number (19129884858).

Almost surely, 2^131142124012 is an apocalyptic number.

It is an amenable number.

131142124012 is a deficient number, since it is larger than the sum of its proper divisors (98416494284).

131142124012 is a wasteful number, since it uses less digits than its factorization.

131142124012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557328 (or 8557326 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131142124012 its reverse (210421241131), we get a palindrome (341563365143).

The spelling of 131142124012 in words is "one hundred thirty-one billion, one hundred forty-two million, one hundred twenty-four thousand, twelve".