1322131113012 has 24 divisors (see below), whose sum is σ = 3128422917312. Its totient is φ = 434503182400.

The previous prime is 1322131112999. The next prime is 1322131113019. The reversal of 1322131113012 is 2103111312231.

It is a super-3 number, since 3×1322131113012³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322131113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322131113019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775897689 + ... + 775899392.

It is an arithmetic number, because the mean of its divisors is an integer number (130350954888).

Almost surely, 2^{1322131113012} is an apocalyptic number.

1322131113012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322131113012 is an abundant number, since it is smaller than the sum of its proper divisors (1806291804300).

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

1322131113012 is a wasteful number, since it uses less digits than its factorization.

1322131113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551797159 (or 1551797157 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1322131113012 its reverse (2103111312231), we get a palindrome (3425242425243).

The spelling of 1322131113012 in words is "one trillion, three hundred twenty-two billion, one hundred thirty-one million, one hundred thirteen thousand, twelve".