131212330210 has 32 divisors (see below), whose sum is σ = 254419713072. Its totient is φ = 48434361600.

The previous prime is 131212330199. The next prime is 131212330211. The reversal of 131212330210 is 12033212131.

It can be written as a sum of positive squares in 8 ways, for example, as 37449603361 + 93762726849 = 193519^2 + 306207^2 .

It is not an unprimeable number, because it can be changed into a prime (131212330211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344772 + ... + 617488.

Almost surely, 2^131212330210 is an apocalyptic number.

131212330210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212330210 is a deficient number, since it is larger than the sum of its proper divisors (123207382862).

131212330210 is a wasteful number, since it uses less digits than its factorization.

131212330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276438.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131212330210 its reverse (12033212131), we get a palindrome (143245542341).

The spelling of 131212330210 in words is "one hundred thirty-one billion, two hundred twelve million, three hundred thirty thousand, two hundred ten".