12211021021219 has 8 divisors (see below), whose sum is σ = 12525065936240. Its totient is φ = 11900649146400.

The previous prime is 12211021021187. The next prime is 12211021021229. The reversal of 12211021021219 is 91212012011221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211021021219 - 2⁵ = 12211021021187 is a prime.

It is a super-2 number, since 2×12211021021219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211021021193 and 12211021021202.

It is not an unprimeable number, because it can be changed into a prime (12211021021229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918253317 + ... + 918266614.

It is an arithmetic number, because the mean of its divisors is an integer number (1565633242030).

Almost surely, 2^{12211021021219} is an apocalyptic number.

12211021021219 is a deficient number, since it is larger than the sum of its proper divisors (314044915021).

12211021021219 is a wasteful number, since it uses less digits than its factorization.

12211021021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836520101.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 12211021021219 in words is "twelve trillion, two hundred eleven billion, twenty-one million, twenty-one thousand, two hundred nineteen".