12352232261 has 4 divisors (see below), whose sum is σ = 12467673792. Its totient is φ = 12236790732.

The previous prime is 12352232257. The next prime is 12352232273. The reversal of 12352232261 is 16223225321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16223225321 = 401 ⋅40456921.

It is a cyclic number.

It is not a de Polignac number, because 12352232261 - 2² = 12352232257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352232201) 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, 57720605 + ... + 57720818.

It is an arithmetic number, because the mean of its divisors is an integer number (3116918448).

Almost surely, 2^12352232261 is an apocalyptic number.

It is an amenable number.

12352232261 is a deficient number, since it is larger than the sum of its proper divisors (115441531).

12352232261 is a wasteful number, since it uses less digits than its factorization.

12352232261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115441530.

The product of its digits is 8640, while the sum is 29.

Adding to 12352232261 its reverse (16223225321), we get a palindrome (28575457582).

The spelling of 12352232261 in words is "twelve billion, three hundred fifty-two million, two hundred thirty-two thousand, two hundred sixty-one".