12466643211 has 96 divisors (see below), whose sum is σ = 21051703296. Its totient is φ = 7037280000.

The previous prime is 12466643209. The next prime is 12466643219. The reversal of 12466643211 is 11234666421.

It is not a de Polignac number, because 12466643211 - 2¹ = 12466643209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12466643219) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11468310 + ... + 11469396.

It is an arithmetic number, because the mean of its divisors is an integer number (219288576).

Almost surely, 2^12466643211 is an apocalyptic number.

12466643211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12466643211 is a deficient number, since it is larger than the sum of its proper divisors (8585060085).

12466643211 is a wasteful number, since it uses less digits than its factorization.

12466643211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1270 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 12466643211 in words is "twelve billion, four hundred sixty-six million, six hundred forty-three thousand, two hundred eleven".