131300203212 has 72 divisors (see below), whose sum is σ = 335370540960. Its totient is φ = 43309267200.

The previous prime is 131300203211. The next prime is 131300203219. The reversal of 131300203212 is 212302003131.

131300203212 is a `hidden beast` number, since 131 + 300 + 20 + 3 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131300203211) 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 23 ways as a sum of consecutive naturals, for example, 7237489 + ... + 7255607.

It is an arithmetic number, because the mean of its divisors is an integer number (4657924180).

Almost surely, 2^131300203212 is an apocalyptic number.

131300203212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131300203212 is an abundant number, since it is smaller than the sum of its proper divisors (204070337748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131300203212 is a wasteful number, since it uses less digits than its factorization.

131300203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20223 (or 20218 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131300203212 its reverse (212302003131), we get a palindrome (343602206343).

The spelling of 131300203212 in words is "one hundred thirty-one billion, three hundred million, two hundred three thousand, two hundred twelve".