12302233220 has 48 divisors (see below), whose sum is σ = 26034922368. Its totient is φ = 4882901760.

The previous prime is 12302233217. The next prime is 12302233249. The reversal of 12302233220 is 2233220321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12302233192 and 12302233201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1407584 + ... + 1416296.

It is an arithmetic number, because the mean of its divisors is an integer number (542394216).

Almost surely, 2^12302233220 is an apocalyptic number.

12302233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302233220 is an abundant number, since it is smaller than the sum of its proper divisors (13732689148).

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

12302233220 is a wasteful number, since it uses less digits than its factorization.

12302233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260 (or 9258 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12302233220 its reverse (2233220321), we get a palindrome (14535453541).

The spelling of 12302233220 in words is "twelve billion, three hundred two million, two hundred thirty-three thousand, two hundred twenty".