12016779326 has 8 divisors (see below), whose sum is σ = 18124756104. Its totient is φ = 5975193960.

The previous prime is 12016779263. The next prime is 12016779347. The reversal of 12016779326 is 62397761021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16597400 + ... + 16598123.

It is an arithmetic number, because the mean of its divisors is an integer number (2265594513).

Almost surely, 2^12016779326 is an apocalyptic number.

12016779326 is a deficient number, since it is larger than the sum of its proper divisors (6107976778).

12016779326 is a wasteful number, since it uses less digits than its factorization.

12016779326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33195706.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 12016779326 in words is "twelve billion, sixteen million, seven hundred seventy-nine thousand, three hundred twenty-six".