12135102223140 has 72 divisors (see below), whose sum is σ = 39641333936568. Its totient is φ = 2987102085120.

The previous prime is 12135102223093. The next prime is 12135102223147. The reversal of 12135102223140 is 4132220153121.

It is a happy number.

12135102223140 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 510 + 2 + 2 + 2 + 3 + 140 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32677069824 + 12102425153316 = 180768^2 + 3478854^2 .

It is not an unprimeable number, because it can be changed into a prime (12135102223147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2592968221 + ... + 2592972900.

Almost surely, 2^{12135102223140} is an apocalyptic number.

12135102223140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12135102223140 is an abundant number, since it is smaller than the sum of its proper divisors (27506231713428).

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

12135102223140 is a wasteful number, since it uses less digits than its factorization.

12135102223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185941149 (or 5185941144 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12135102223140 its reverse (4132220153121), we get a palindrome (16267322376261).

The spelling of 12135102223140 in words is "twelve trillion, one hundred thirty-five billion, one hundred two million, two hundred twenty-three thousand, one hundred forty".