12201000001219 has 4 divisors (see below), whose sum is σ = 12843157896040. Its totient is φ = 11558842106400.

The previous prime is 12201000001189. The next prime is 12201000001241. The reversal of 12201000001219 is 91210000010221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12201000001219 - 2¹⁹ = 12200999476931 is a prime.

It is a super-2 number, since 2×12201000001219² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 642157894801 = 12201000001219 / (1 + 2 + 2 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 1 + 2 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201000001196 and 12201000001205.

It is not an unprimeable number, because it can be changed into a prime (12201000001319) 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, 321078947382 + ... + 321078947419.

It is an arithmetic number, because the mean of its divisors is an integer number (3210789474010).

Almost surely, 2^{12201000001219} is an apocalyptic number.

12201000001219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12201000001219 is a deficient number, since it is larger than the sum of its proper divisors (642157894821).

12201000001219 is an equidigital number, since it uses as much as digits as its factorization.

12201000001219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642157894820.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 12201000001219 in words is "twelve trillion, two hundred one billion, one thousand, two hundred nineteen".