1322130231200 has 36 divisors (see below), whose sum is σ = 3227650428870. Its totient is φ = 528852092160.

The previous prime is 1322130231199. The next prime is 1322130231203. The reversal of 1322130231200 is 21320312231.

It can be written as a sum of positive squares in 3 ways, for example, as 1188370335376 + 133759895824 = 1090124^2 + 365732^2 .

It is a super-3 number, since 3×1322130231200³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1322130231203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 826330595 + ... + 826332194.

Almost surely, 2^{1322130231200} is an apocalyptic number.

1322130231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322130231200 is an abundant number, since it is smaller than the sum of its proper divisors (1905520197670).

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

1322130231200 is a wasteful number, since it uses less digits than its factorization.

1322130231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652662809 (or 1652662796 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1322130231200 its reverse (21320312231), we get a palindrome (1343450543431).

The spelling of 1322130231200 in words is "one trillion, three hundred twenty-two billion, one hundred thirty million, two hundred thirty-one thousand, two hundred".