12010013220 has 48 divisors (see below), whose sum is σ = 33633327168. Its totient is φ = 3202166400.

The previous prime is 12010013207. The next prime is 12010013227. The reversal of 12010013220 is 2231001021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12010013196 and 12010013205.

It is not an unprimeable number, because it can be changed into a prime (12010013227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518895 + ... + 541545.

It is an arithmetic number, because the mean of its divisors is an integer number (700694316).

Almost surely, 2^12010013220 is an apocalyptic number.

12010013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010013220 is an abundant number, since it is smaller than the sum of its proper divisors (21623313948).

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

12010013220 is a wasteful number, since it uses less digits than its factorization.

12010013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31500 (or 31498 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12010013220 its reverse (2231001021), we get a palindrome (14241014241).

The spelling of 12010013220 in words is "twelve billion, ten million, thirteen thousand, two hundred twenty".