131302100212 has 12 divisors (see below), whose sum is σ = 237702078180. Its totient is φ = 63387220736.

The previous prime is 131302100197. The next prime is 131302100221. The reversal of 131302100212 is 212001203131.

131302100212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33023612176 + 98278488036 = 181724^2 + 313494^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 565957213 + ... + 565957444.

It is an arithmetic number, because the mean of its divisors is an integer number (19808506515).

Almost surely, 2^131302100212 is an apocalyptic number.

It is an amenable number.

131302100212 is a deficient number, since it is larger than the sum of its proper divisors (106399977968).

131302100212 is a wasteful number, since it uses less digits than its factorization.

131302100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131914690 (or 1131914688 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131302100212 its reverse (212001203131), we get a palindrome (343303303343).

The spelling of 131302100212 in words is "one hundred thirty-one billion, three hundred two million, one hundred thousand, two hundred twelve".