1213320131132 has 6 divisors (see below), whose sum is σ = 2123310229488. Its totient is φ = 606660065564.

The previous prime is 1213320131131. The next prime is 1213320131161. The reversal of 1213320131132 is 2311310233121.

It is a super-2 number, since 2×1213320131132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213320131098 and 1213320131107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213320131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151665016388 + ... + 151665016395.

It is an arithmetic number, because the mean of its divisors is an integer number (353885038248).

Almost surely, 2^{1213320131132} is an apocalyptic number.

It is an amenable number.

1213320131132 is a deficient number, since it is larger than the sum of its proper divisors (909990098356).

1213320131132 is a wasteful number, since it uses less digits than its factorization.

1213320131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303330032787 (or 303330032785 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1213320131132 its reverse (2311310233121), we get a palindrome (3524630364253).

The spelling of 1213320131132 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, one hundred thirty-one thousand, one hundred thirty-two".