1320103212212 has 6 divisors (see below), whose sum is σ = 2310180621378. Its totient is φ = 660051606104.

The previous prime is 1320103212199. The next prime is 1320103212221. The reversal of 1320103212212 is 2122123010231.

It can be written as a sum of positive squares in only one way, i.e., 1230865989136 + 89237223076 = 1109444^2 + 298726^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 165012901523 + ... + 165012901530.

It is an arithmetic number, because the mean of its divisors is an integer number (385030103563).

Almost surely, 2^{1320103212212} is an apocalyptic number.

It is an amenable number.

1320103212212 is a deficient number, since it is larger than the sum of its proper divisors (990077409166).

1320103212212 is a wasteful number, since it uses less digits than its factorization.

1320103212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330025803057 (or 330025803055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1320103212212 its reverse (2122123010231), we get a palindrome (3442226222443).

The spelling of 1320103212212 in words is "one trillion, three hundred twenty billion, one hundred three million, two hundred twelve thousand, two hundred twelve".