1323130220212 has 24 divisors (see below), whose sum is σ = 2326192848000. Its totient is φ = 658506137856.

The previous prime is 1323130220189. The next prime is 1323130220213. The reversal of 1323130220212 is 2120220313231.

It is a super-2 number, since 2×1323130220212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323130220213) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1868539 + ... + 2477437.

It is an arithmetic number, because the mean of its divisors is an integer number (96924702000).

Almost surely, 2^{1323130220212} is an apocalyptic number.

It is an amenable number.

1323130220212 is a deficient number, since it is larger than the sum of its proper divisors (1003062627788).

1323130220212 is a wasteful number, since it uses less digits than its factorization.

1323130220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611415 (or 611413 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1323130220212 its reverse (2120220313231), we get a palindrome (3443350533443).

The spelling of 1323130220212 in words is "one trillion, three hundred twenty-three billion, one hundred thirty million, two hundred twenty thousand, two hundred twelve".