1322311212300 has 216 divisors, whose sum is σ = 4144481402880. Its totient is φ = 325361836800.

The previous prime is 1322311212253. The next prime is 1322311212319. The reversal of 1322311212300 is 32121132231.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 210858165 + ... + 210864435.

Almost surely, 2^{1322311212300} is an apocalyptic number.

1322311212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322311212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2072240701440).

1322311212300 is an abundant number, since it is smaller than the sum of its proper divisors (2822170190580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322311212300 is a wasteful number, since it uses less digits than its factorization.

1322311212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473 (or 10453 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1322311212300 its reverse (32121132231), we get a palindrome (1354432344531).

The spelling of 1322311212300 in words is "one trillion, three hundred twenty-two billion, three hundred eleven million, two hundred twelve thousand, three hundred".