131244340144212 has 144 divisors (see below), whose sum is σ = 358067118060288. Its totient is φ = 40429022768640.

The previous prime is 131244340144153. The next prime is 131244340144213. The reversal of 131244340144212 is 212441043442131.

131244340144212 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 4 + 434 + 0 + 1 + 4 + 4 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131244340144213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15270543 + ... + 22263830.

It is an arithmetic number, because the mean of its divisors is an integer number (2486577208752).

Almost surely, 2^{131244340144212} is an apocalyptic number.

131244340144212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131244340144212 is an abundant number, since it is smaller than the sum of its proper divisors (226822777916076).

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

131244340144212 is a wasteful number, since it uses less digits than its factorization.

131244340144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37534550 (or 37534545 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 131244340144212 its reverse (212441043442131), we get a palindrome (343685383586343).

The spelling of 131244340144212 in words is "one hundred thirty-one trillion, two hundred forty-four billion, three hundred forty million, one hundred forty-four thousand, two hundred twelve".