12103000220 has 24 divisors (see below), whose sum is σ = 25424355600. Its totient is φ = 4839665792.

The previous prime is 12103000219. The next prime is 12103000237. The reversal of 12103000220 is 2200030121.

It is a happy number.

It is a super-2 number, since 2×12103000220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 30110 + ... + 158469.

It is an arithmetic number, because the mean of its divisors is an integer number (1059348150).

Almost surely, 2^12103000220 is an apocalyptic number.

12103000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103000220 is an abundant number, since it is smaller than the sum of its proper divisors (13321355380).

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

12103000220 is a wasteful number, since it uses less digits than its factorization.

12103000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191797 (or 191795 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12103000220 its reverse (2200030121), we get a palindrome (14303030341).

The spelling of 12103000220 in words is "twelve billion, one hundred three million, two hundred twenty", and thus it is an aban number.