12016779324 has 48 divisors (see below), whose sum is σ = 32387475456. Its totient is φ = 3427244800.

The previous prime is 12016779263. The next prime is 12016779347. The reversal of 12016779324 is 42397761021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675292 + ... + 2679779.

It is an arithmetic number, because the mean of its divisors is an integer number (674739072).

Almost surely, 2^12016779324 is an apocalyptic number.

It is an amenable number.

12016779324 is an abundant number, since it is smaller than the sum of its proper divisors (20370696132).

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

12016779324 is a wasteful number, since it uses less digits than its factorization.

12016779324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355106 (or 5355104 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 12016779324 in words is "twelve billion, sixteen million, seven hundred seventy-nine thousand, three hundred twenty-four".