12262402772 has 24 divisors (see below), whose sum is σ = 21730216200. Its totient is φ = 6054155136.

The previous prime is 12262402769. The next prime is 12262402777. The reversal of 12262402772 is 27720426221.

It can be written as a sum of positive squares in 4 ways, for example, as 3137568196 + 9124834576 = 56014^2 + 95524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12262402777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79754 + ... + 175742.

It is an arithmetic number, because the mean of its divisors is an integer number (905425675).

Almost surely, 2^12262402772 is an apocalyptic number.

It is an amenable number.

12262402772 is a deficient number, since it is larger than the sum of its proper divisors (9467813428).

12262402772 is a wasteful number, since it uses less digits than its factorization.

12262402772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96395 (or 96393 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

Adding to 12262402772 its reverse (27720426221), we get a palindrome (39982828993).

The spelling of 12262402772 in words is "twelve billion, two hundred sixty-two million, four hundred two thousand, seven hundred seventy-two".