12201764219 has 4 divisors (see below), whose sum is σ = 12313707120. Its totient is φ = 12089821320.

The previous prime is 12201764213. The next prime is 12201764243. The reversal of 12201764219 is 91246710221.

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 12201764219 - 2⁴ = 12201764203 is a prime.

It is a super-2 number, since 2×12201764219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201764213) 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, 55971287 + ... + 55971504.

It is an arithmetic number, because the mean of its divisors is an integer number (3078426780).

Almost surely, 2^12201764219 is an apocalyptic number.

12201764219 is a deficient number, since it is larger than the sum of its proper divisors (111942901).

12201764219 is a wasteful number, since it uses less digits than its factorization.

12201764219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111942900.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 12201764219 in words is "twelve billion, two hundred one million, seven hundred sixty-four thousand, two hundred nineteen".