1320231132212 has 24 divisors (see below), whose sum is σ = 2446353665280. Its totient is φ = 621274308480.

The previous prime is 1320231132203. The next prime is 1320231132217. The reversal of 1320231132212 is 2122311320231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320231132217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4763339 + ... + 5032877.

It is an arithmetic number, because the mean of its divisors is an integer number (101931402720).

Almost surely, 2^{1320231132212} is an apocalyptic number.

It is an amenable number.

1320231132212 is a deficient number, since it is larger than the sum of its proper divisors (1126122533068).

1320231132212 is a wasteful number, since it uses less digits than its factorization.

1320231132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341591 (or 341589 counting only the distinct ones).

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

Adding to 1320231132212 its reverse (2122311320231), we get a palindrome (3442542452443).

The spelling of 1320231132212 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred twelve".