12011445416 has 8 divisors (see below), whose sum is σ = 22521460170. Its totient is φ = 6005722704.

The previous prime is 12011445389. The next prime is 12011445431. The reversal of 12011445416 is 61454411021.

It can be written as a sum of positive squares in only one way, i.e., 11778760900 + 232684516 = 108530^2 + 15254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750715331 + ... + 750715346.

Almost surely, 2^12011445416 is an apocalyptic number.

It is an amenable number.

12011445416 is a deficient number, since it is larger than the sum of its proper divisors (10510014754).

12011445416 is a wasteful number, since it uses less digits than its factorization.

12011445416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501430683 (or 1501430679 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 12011445416 its reverse (61454411021), we get a palindrome (73465856437).

The spelling of 12011445416 in words is "twelve billion, eleven million, four hundred forty-five thousand, four hundred sixteen".