12234277261 has 4 divisors (see below), whose sum is σ = 12263337724. Its totient is φ = 12205216800.

The previous prime is 12234277259. The next prime is 12234277267. The reversal of 12234277261 is 16277243221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2208060100 + 10026217161 = 46990^2 + 100131^2 .

It is a cyclic number.

It is not a de Polignac number, because 12234277261 - 2¹ = 12234277259 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 12234277261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234277267) 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, 14529600 + ... + 14530441.

It is an arithmetic number, because the mean of its divisors is an integer number (3065834431).

Almost surely, 2^12234277261 is an apocalyptic number.

It is an amenable number.

12234277261 is a deficient number, since it is larger than the sum of its proper divisors (29060463).

12234277261 is an equidigital number, since it uses as much as digits as its factorization.

12234277261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29060462.

The product of its digits is 56448, while the sum is 37.

The spelling of 12234277261 in words is "twelve billion, two hundred thirty-four million, two hundred seventy-seven thousand, two hundred sixty-one".