1323210421140 has 24 divisors (see below), whose sum is σ = 3704989179360. Its totient is φ = 352856112288.

The previous prime is 1323210421129. The next prime is 1323210421177. The reversal of 1323210421140 is 411240123231.

It is a super-2 number, since 2×1323210421140² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1323210421140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11026753450 + ... + 11026753569.

It is an arithmetic number, because the mean of its divisors is an integer number (154374549140).

Almost surely, 2^{1323210421140} is an apocalyptic number.

1323210421140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323210421140 is an abundant number, since it is smaller than the sum of its proper divisors (2381778758220).

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

1323210421140 is a wasteful number, since it uses less digits than its factorization.

1323210421140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22053507031 (or 22053507029 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1323210421140 its reverse (411240123231), we get a palindrome (1734450544371).

The spelling of 1323210421140 in words is "one trillion, three hundred twenty-three billion, two hundred ten million, four hundred twenty-one thousand, one hundred forty".