12067766220 has 24 divisors (see below), whose sum is σ = 33789745584. Its totient is φ = 3218070976.

The previous prime is 12067766203. The next prime is 12067766233. The reversal of 12067766220 is 2266776021.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100564659 + ... + 100564778.

It is an arithmetic number, because the mean of its divisors is an integer number (1407906066).

Almost surely, 2^12067766220 is an apocalyptic number.

12067766220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12067766220 is an abundant number, since it is smaller than the sum of its proper divisors (21721979364).

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

12067766220 is a wasteful number, since it uses less digits than its factorization.

12067766220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201129449 (or 201129447 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 12067766220 in words is "twelve billion, sixty-seven million, seven hundred sixty-six thousand, two hundred twenty".