131332001212 has 24 divisors (see below), whose sum is σ = 243399401280. Its totient is φ = 61790868480.

The previous prime is 131332001209. The next prime is 131332001221. The reversal of 131332001212 is 212100233131.

It is a self number, because there is not a number n which added to its sum of digits gives 131332001212.

It is a congruent number.

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, 151012 + ... + 534292.

It is an arithmetic number, because the mean of its divisors is an integer number (10141641720).

Almost surely, 2^131332001212 is an apocalyptic number.

It is an amenable number.

131332001212 is a deficient number, since it is larger than the sum of its proper divisors (112067400068).

131332001212 is a wasteful number, since it uses less digits than its factorization.

131332001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388341 (or 388339 counting only the distinct ones).

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

Adding to 131332001212 its reverse (212100233131), we get a palindrome (343432234343).

The spelling of 131332001212 in words is "one hundred thirty-one billion, three hundred thirty-two million, one thousand, two hundred twelve".