12132500523121 has 4 divisors (see below), whose sum is σ = 13235455116144. Its totient is φ = 11029545930100.

The previous prime is 12132500523113. The next prime is 12132500523259.

12132500523121 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12132500523121 - 2³ = 12132500523113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12132500523121.

It is not an unprimeable number, because it can be changed into a prime (12132500523721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551477296495 + ... + 551477296516.

It is an arithmetic number, because the mean of its divisors is an integer number (3308863779036).

Almost surely, 2^{12132500523121} is an apocalyptic number.

12132500523121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12132500523121 is a deficient number, since it is larger than the sum of its proper divisors (1102954593023).

12132500523121 is a wasteful number, since it uses less digits than its factorization.

12132500523121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102954593022.

The product of its (nonzero) digits is 3600, while the sum is 28.

It can be divided in two parts, 12132500 and 523121, that added together give a palindrome (12655621).

The spelling of 12132500523121 in words is "twelve trillion, one hundred thirty-two billion, five hundred million, five hundred twenty-three thousand, one hundred twenty-one".