131420012 has 12 divisors (see below), whose sum is σ = 230066256. Its totient is φ = 65686800.

The previous prime is 131419991. The next prime is 131420027. The reversal of 131420012 is 210024131.

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 3 ways as a sum of consecutive naturals, for example, 16262 + ... + 22962.

It is an arithmetic number, because the mean of its divisors is an integer number (19172188).

Almost surely, 2^131420012 is an apocalyptic number.

It is an amenable number.

131420012 is a deficient number, since it is larger than the sum of its proper divisors (98646244).

131420012 is a wasteful number, since it uses less digits than its factorization.

131420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608 (or 11606 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131420012 is about 11463.8567681213. The cubic root of 131420012 is about 508.4175117665.

Adding to 131420012 its reverse (210024131), we get a palindrome (341444143).

The spelling of 131420012 in words is "one hundred thirty-one million, four hundred twenty thousand, twelve".