12210660016 has 20 divisors (see below), whose sum is σ = 24235183224. Its totient is φ = 5956419200.

The previous prime is 12210659959. The next prime is 12210660031. The reversal of 12210660016 is 61006601221.

It is a super-2 number, since 2×12210660016² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9306250 + ... + 9307561.

Almost surely, 2^12210660016 is an apocalyptic number.

12210660016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12210660016 is a deficient number, since it is larger than the sum of its proper divisors (12024523208).

12210660016 is a wasteful number, since it uses less digits than its factorization.

12210660016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18613860 (or 18613854 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12210660016 in words is "twelve billion, two hundred ten million, six hundred sixty thousand, sixteen".