12234132641540 has 12 divisors (see below), whose sum is σ = 25691678547276. Its totient is φ = 4893653056608.

The previous prime is 12234132641513. The next prime is 12234132641543. The reversal of 12234132641540 is 4514623143221.

It can be written as a sum of positive squares in 2 ways, for example, as 7102992540736 + 5131140100804 = 2665144^2 + 2265202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12234132641494 and 12234132641503.

It is not an unprimeable number, because it can be changed into a prime (12234132641543) 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, 305853316019 + ... + 305853316058.

It is an arithmetic number, because the mean of its divisors is an integer number (2140973212273).

Almost surely, 2^{12234132641540} is an apocalyptic number.

12234132641540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12234132641540 is an abundant number, since it is smaller than the sum of its proper divisors (13457545905736).

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

12234132641540 is a wasteful number, since it uses less digits than its factorization.

12234132641540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611706632086 (or 611706632084 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 12234132641540 its reverse (4514623143221), we get a palindrome (16748755784761).

The spelling of 12234132641540 in words is "twelve trillion, two hundred thirty-four billion, one hundred thirty-two million, six hundred forty-one thousand, five hundred forty".