12268773420 has 96 divisors (see below), whose sum is σ = 34657459200. Its totient is φ = 3242770944.

The previous prime is 12268773371. The next prime is 12268773421. The reversal of 12268773420 is 2437786221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12268773421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3253296 + ... + 3257064.

It is an arithmetic number, because the mean of its divisors is an integer number (361015200).

Almost surely, 2^12268773420 is an apocalyptic number.

12268773420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12268773420 is an abundant number, since it is smaller than the sum of its proper divisors (22388685780).

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

12268773420 is a wasteful number, since it uses less digits than its factorization.

12268773420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 12268773420 in words is "twelve billion, two hundred sixty-eight million, seven hundred seventy-three thousand, four hundred twenty".