12261753532 has 36 divisors (see below), whose sum is σ = 25152024744. Its totient is φ = 5214911520.

The previous prime is 12261753499. The next prime is 12261753541. The reversal of 12261753532 is 23535716221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12261753491 and 12261753500.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 213103 + ... + 264454.

It is an arithmetic number, because the mean of its divisors is an integer number (698667354).

Almost surely, 2^12261753532 is an apocalyptic number.

It is an amenable number.

12261753532 is an abundant number, since it is smaller than the sum of its proper divisors (12890271212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12261753532 is a wasteful number, since it uses less digits than its factorization.

12261753532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477706 (or 477697 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The spelling of 12261753532 in words is "twelve billion, two hundred sixty-one million, seven hundred fifty-three thousand, five hundred thirty-two".