12231067772 has 36 divisors (see below), whose sum is σ = 27162505944. Its totient is φ = 4765350240.

The previous prime is 12231067721. The next prime is 12231067777. The reversal of 12231067772 is 27776013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231067777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2834363 + ... + 2838674.

It is an arithmetic number, because the mean of its divisors is an integer number (754514054).

Almost surely, 2^12231067772 is an apocalyptic number.

It is an amenable number.

12231067772 is an abundant number, since it is smaller than the sum of its proper divisors (14931438172).

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

12231067772 is a wasteful number, since it uses less digits than its factorization.

12231067772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673066 (or 5673057 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 12231067772 in words is "twelve billion, two hundred thirty-one million, sixty-seven thousand, seven hundred seventy-two".