12309480916 has 6 divisors (see below), whose sum is σ = 21541591610. Its totient is φ = 6154740456.

The previous prime is 12309480857. The next prime is 12309480919. The reversal of 12309480916 is 61908490321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12305464900 + 4016016 = 110930^2 + 2004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309480919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538685111 + ... + 1538685118.

Almost surely, 2^12309480916 is an apocalyptic number.

It is an amenable number.

12309480916 is a deficient number, since it is larger than the sum of its proper divisors (9232110694).

12309480916 is a wasteful number, since it uses less digits than its factorization.

12309480916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077370233 (or 3077370231 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 12309480916 in words is "twelve billion, three hundred nine million, four hundred eighty thousand, nine hundred sixteen".