131322333212 has 96 divisors (see below), whose sum is σ = 283574753280. Its totient is φ = 51958126080.

The previous prime is 131322333211. The next prime is 131322333277. The reversal of 131322333212 is 212333223131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322333211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5814662 + ... + 5837202.

It is an arithmetic number, because the mean of its divisors is an integer number (2953903680).

Almost surely, 2^131322333212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131322333212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141787376640).

131322333212 is an abundant number, since it is smaller than the sum of its proper divisors (152252420068).

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

131322333212 is a wasteful number, since it uses less digits than its factorization.

131322333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22851 (or 22849 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 131322333212 its reverse (212333223131), we get a palindrome (343655556343).

The spelling of 131322333212 in words is "one hundred thirty-one billion, three hundred twenty-two million, three hundred thirty-three thousand, two hundred twelve".