1322403452212 has 6 divisors (see below), whose sum is σ = 2314206041378. Its totient is φ = 661201726104.

The previous prime is 1322403452207. The next prime is 1322403452219. The reversal of 1322403452212 is 2122543042231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1295285267236 + 27118184976 = 1138106^2 + 164676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322403452219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165300431523 + ... + 165300431530.

Almost surely, 2^{1322403452212} is an apocalyptic number.

It is an amenable number.

1322403452212 is a deficient number, since it is larger than the sum of its proper divisors (991802589166).

1322403452212 is a wasteful number, since it uses less digits than its factorization.

1322403452212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330600863057 (or 330600863055 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1322403452212 its reverse (2122543042231), we get a palindrome (3444946494443).

The spelling of 1322403452212 in words is "one trillion, three hundred twenty-two billion, four hundred three million, four hundred fifty-two thousand, two hundred twelve".