12120135041352 has 64 divisors (see below), whose sum is σ = 32684365183680. Its totient is φ = 3723188620032.

The previous prime is 12120135041341. The next prime is 12120135041381. The reversal of 12120135041352 is 25314053102121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31494378 + ... + 31876889.

It is an arithmetic number, because the mean of its divisors is an integer number (510693205995).

Almost surely, 2^{12120135041352} is an apocalyptic number.

12120135041352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120135041352 is an abundant number, since it is smaller than the sum of its proper divisors (20564230142328).

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

12120135041352 is a wasteful number, since it uses less digits than its factorization.

12120135041352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63371902 (or 63371898 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 12120135041352 its reverse (25314053102121), we get a palindrome (37434188143473).

The spelling of 12120135041352 in words is "twelve trillion, one hundred twenty billion, one hundred thirty-five million, forty-one thousand, three hundred fifty-two".