12207266620 has 12 divisors (see below), whose sum is σ = 25635259944. Its totient is φ = 4882906640.

The previous prime is 12207266609. The next prime is 12207266627. The reversal of 12207266620 is 2666270221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12207266627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305181646 + ... + 305181685.

It is an arithmetic number, because the mean of its divisors is an integer number (2136271662).

Almost surely, 2^12207266620 is an apocalyptic number.

12207266620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12207266620 is an abundant number, since it is smaller than the sum of its proper divisors (13427993324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12207266620 is a wasteful number, since it uses less digits than its factorization.

12207266620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610363340 (or 610363338 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 12207266620 in words is "twelve billion, two hundred seven million, two hundred sixty-six thousand, six hundred twenty".