1322120012013 has 6 divisors (see below), whose sum is σ = 1909728906254. Its totient is φ = 881413341336.

The previous prime is 1322120012011. The next prime is 1322120012041. The reversal of 1322120012013 is 3102100212231.

It can be written as a sum of positive squares in only one way, i.e., 664921192329 + 657198819684 = 815427^2 + 810678^2 .

It is not a de Polignac number, because 1322120012013 - 2¹ = 1322120012011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322120012011) 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 in 5 ways as a sum of consecutive naturals, for example, 73451111770 + ... + 73451111787.

Almost surely, 2^{1322120012013} is an apocalyptic number.

It is an amenable number.

1322120012013 is a deficient number, since it is larger than the sum of its proper divisors (587608894241).

1322120012013 is a wasteful number, since it uses less digits than its factorization.

1322120012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146902223563 (or 146902223560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1322120012013 its reverse (3102100212231), we get a palindrome (4424220224244).

The spelling of 1322120012013 in words is "one trillion, three hundred twenty-two billion, one hundred twenty million, twelve thousand, thirteen".