12221103040 has 28 divisors (see below), whose sum is σ = 29101502376. Its totient is φ = 4888441088.

The previous prime is 12221103029. The next prime is 12221103049. The reversal of 12221103040 is 4030112221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221103049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19095154 + ... + 19095793.

Almost surely, 2^12221103040 is an apocalyptic number.

12221103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221103040 is an abundant number, since it is smaller than the sum of its proper divisors (16880399336).

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

12221103040 is an equidigital number, since it uses as much as digits as its factorization.

12221103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38190964 (or 38190954 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12221103040 its reverse (4030112221), we get a palindrome (16251215261).

The spelling of 12221103040 in words is "twelve billion, two hundred twenty-one million, one hundred three thousand, forty".