12021212120219 has 8 divisors (see below), whose sum is σ = 12263167199520. Its totient is φ = 11779817772736.

The previous prime is 12021212120191. The next prime is 12021212120273. The reversal of 12021212120219 is 91202121212021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021212120219 is a prime.

It is a super-2 number, since 2×12021212120219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021212120279) 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, 140139647 + ... + 140225400.

It is an arithmetic number, because the mean of its divisors is an integer number (1532895899940).

Almost surely, 2^{12021212120219} is an apocalyptic number.

12021212120219 is a deficient number, since it is larger than the sum of its proper divisors (241955079301).

12021212120219 is an equidigital number, since it uses as much as digits as its factorization.

12021212120219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280365909.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12021212120219 in words is "twelve trillion, twenty-one billion, two hundred twelve million, one hundred twenty thousand, two hundred nineteen".