131432134212 has 72 divisors (see below), whose sum is σ = 350015352960. Its totient is φ = 41469485760.

The previous prime is 131432134201. The next prime is 131432134219. The reversal of 131432134212 is 212431234131.

131432134212 is a `hidden beast` number, since 1 + 3 + 1 + 432 + 13 + 4 + 212 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (131432134219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726453 + ... + 889155.

Almost surely, 2^131432134212 is an apocalyptic number.

131432134212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131432134212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175007676480).

131432134212 is an abundant number, since it is smaller than the sum of its proper divisors (218583218748).

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

131432134212 is a wasteful number, since it uses less digits than its factorization.

131432134212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163913 (or 163908 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 131432134212 its reverse (212431234131), we get a palindrome (343863368343).

The spelling of 131432134212 in words is "one hundred thirty-one billion, four hundred thirty-two million, one hundred thirty-four thousand, two hundred twelve".