12199220000 has 270 divisors, whose sum is σ = 33459466887. Its totient is φ = 4373600000.

The previous prime is 12199219999. The next prime is 12199220017. The reversal of 12199220000 is 2299121.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 2820459664 + 9378760336 = 53108^2 + 96844^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78100.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 171819965 + ... + 171820035.

Almost surely, 2^12199220000 is an apocalyptic number.

12199220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12199220000

12199220000 is an abundant number, since it is smaller than the sum of its proper divisors (21260246887).

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

12199220000 is an frugal number, since it uses more digits than its factorization.

12199220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

Multiplying 12199220000 by its product of nonzero digits (648), we get a square (7905094560000 = 2811600²).

The spelling of 12199220000 in words is "twelve billion, one hundred ninety-nine million, two hundred twenty thousand".