12221140000 has 60 divisors (see below), whose sum is σ = 30065886774. Its totient is φ = 4888448000.

The previous prime is 12221139971. The next prime is 12221140007. The reversal of 12221140000 is 4112221.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 771283984 + 11449856016 = 27772^2 + 107004^2 .

It is not an unprimeable number, because it can be changed into a prime (12221140007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 285529 + ... + 325528.

Almost surely, 2^12221140000 is an apocalyptic number.

12221140000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221140000 is an abundant number, since it is smaller than the sum of its proper divisors (17844746774).

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

12221140000 is an frugal number, since it uses more digits than its factorization.

12221140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611087 (or 611064 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12221140000 its reverse (4112221), we get a palindrome (12225252221).

The spelling of 12221140000 in words is "twelve billion, two hundred twenty-one million, one hundred forty thousand".