131244000212 has 12 divisors (see below), whose sum is σ = 247344462036. Its totient is φ = 60574153920.

The previous prime is 131244000169. The next prime is 131244000233. The reversal of 131244000212 is 212000442131.

It can be written as a sum of positive squares in 2 ways, for example, as 7877272516 + 123366727696 = 88754^2 + 351236^2 .

It is a congruent number.

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, 1261961489 + ... + 1261961592.

It is an arithmetic number, because the mean of its divisors is an integer number (20612038503).

Almost surely, 2^131244000212 is an apocalyptic number.

It is an amenable number.

131244000212 is a deficient number, since it is larger than the sum of its proper divisors (116100461824).

131244000212 is a wasteful number, since it uses less digits than its factorization.

131244000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523923098 (or 2523923096 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 131244000212 its reverse (212000442131), we get a palindrome (343244442343).

The spelling of 131244000212 in words is "one hundred thirty-one billion, two hundred forty-four million, two hundred twelve", and thus it is an aban number.