12320122133140 has 12 divisors (see below), whose sum is σ = 25872256479636. Its totient is φ = 4928048853248.

The previous prime is 12320122133093. The next prime is 12320122133141. The reversal of 12320122133140 is 4133122102321.

It can be written as a sum of positive squares in 2 ways, for example, as 9046403660176 + 3273718472964 = 3007724^2 + 1809342^2 .

It is a super-2 number, since 2×12320122133140² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320122133141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308003053309 + ... + 308003053348.

It is an arithmetic number, because the mean of its divisors is an integer number (2156021373303).

Almost surely, 2^{12320122133140} is an apocalyptic number.

12320122133140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320122133140 is an abundant number, since it is smaller than the sum of its proper divisors (13552134346496).

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

12320122133140 is a wasteful number, since it uses less digits than its factorization.

12320122133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616006106666 (or 616006106664 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12320122133140 its reverse (4133122102321), we get a palindrome (16453244235461).

The spelling of 12320122133140 in words is "twelve trillion, three hundred twenty billion, one hundred twenty-two million, one hundred thirty-three thousand, one hundred forty".