12218377016 has 16 divisors (see below), whose sum is σ = 22910769240. Its totient is φ = 6108838560.

The previous prime is 12218377013. The next prime is 12218377019. The reversal of 12218377016 is 61077381221.

It is an interprime number because it is at equal distance from previous prime (12218377013) and next prime (12218377019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12218377013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161030 + ... + 224426.

Almost surely, 2^12218377016 is an apocalyptic number.

It is an amenable number.

12218377016 is a deficient number, since it is larger than the sum of its proper divisors (10692392224).

12218377016 is a wasteful number, since it uses less digits than its factorization.

12218377016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87494 (or 87490 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 12218377016 in words is "twelve billion, two hundred eighteen million, three hundred seventy-seven thousand, sixteen".