12220013320 has 64 divisors (see below), whose sum is σ = 27637770240. Its totient is φ = 4862707200.

The previous prime is 12220013303. The next prime is 12220013363. The reversal of 12220013320 is 2331002221.

It is a junction number, because it is equal to n+sod(n) for n = 12220013294 and 12220013303.

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, 7980955 + ... + 7982485.

It is an arithmetic number, because the mean of its divisors is an integer number (431840160).

Almost surely, 2^12220013320 is an apocalyptic number.

12220013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220013320 is an abundant number, since it is smaller than the sum of its proper divisors (15417756920).

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

12220013320 is a wasteful number, since it uses less digits than its factorization.

12220013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12220013320 its reverse (2331002221), we get a palindrome (14551015541).

The spelling of 12220013320 in words is "twelve billion, two hundred twenty million, thirteen thousand, three hundred twenty".