12065233220 has 24 divisors (see below), whose sum is σ = 25380177984. Its totient is φ = 4817866976.

The previous prime is 12065233199. The next prime is 12065233247. The reversal of 12065233220 is 2233256021.

It is a self number, because there is not a number n which added to its sum of digits gives 12065233220.

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, 502112 + ... + 525591.

It is an arithmetic number, because the mean of its divisors is an integer number (1057507416).

Almost surely, 2^12065233220 is an apocalyptic number.

12065233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12065233220 is an abundant number, since it is smaller than the sum of its proper divisors (13314944764).

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

12065233220 is a wasteful number, since it uses less digits than its factorization.

12065233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028299 (or 1028297 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12065233220 its reverse (2233256021), we get a palindrome (14298489241).

The spelling of 12065233220 in words is "twelve billion, sixty-five million, two hundred thirty-three thousand, two hundred twenty".