12352052161123 has 4 divisors (see below), whose sum is σ = 12352227559848. Its totient is φ = 12351876762400.

The previous prime is 12352052161109. The next prime is 12352052161153. The reversal of 12352052161123 is 32116125025321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12352052161123 - 2²⁹ = 12351515290211 is a prime.

It is a super-2 number, since 2×12352052161123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12352052161153) 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, 87593686 + ... + 87734587.

It is an arithmetic number, because the mean of its divisors is an integer number (3088056889962).

Almost surely, 2^{12352052161123} is an apocalyptic number.

12352052161123 is a deficient number, since it is larger than the sum of its proper divisors (175398725).

12352052161123 is an equidigital number, since it uses as much as digits as its factorization.

12352052161123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175398724.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 12352052161123 its reverse (32116125025321), we get a palindrome (44468177186444).

The spelling of 12352052161123 in words is "twelve trillion, three hundred fifty-two billion, fifty-two million, one hundred sixty-one thousand, one hundred twenty-three".