131332122212 has 12 divisors (see below), whose sum is σ = 229833752316. Its totient is φ = 65665335840.

The previous prime is 131332122209. The next prime is 131332122239. The reversal of 131332122212 is 212221233131.

It can be written as a sum of positive squares in 2 ways, for example, as 73954626916 + 57377495296 = 271946^2 + 239536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605162 + ... + 793022.

It is an arithmetic number, because the mean of its divisors is an integer number (19152812693).

Almost surely, 2^131332122212 is an apocalyptic number.

It is an amenable number.

131332122212 is a deficient number, since it is larger than the sum of its proper divisors (98501630104).

131332122212 is a wasteful number, since it uses less digits than its factorization.

131332122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362638 (or 362636 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 131332122212 its reverse (212221233131), we get a palindrome (343553355343).

The spelling of 131332122212 in words is "one hundred thirty-one billion, three hundred thirty-two million, one hundred twenty-two thousand, two hundred twelve".