12020213021999 has 8 divisors (see below), whose sum is σ = 14794108334880. Its totient is φ = 9510498215136.

The previous prime is 12020213021987. The next prime is 12020213022023. The reversal of 12020213021999 is 99912031202021.

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 12020213021999 - 2⁴ = 12020213021983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020213021909) 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, 66045126404 + ... + 66045126585.

It is an arithmetic number, because the mean of its divisors is an integer number (1849263541860).

Almost surely, 2^{12020213021999} is an apocalyptic number.

12020213021999 is a deficient number, since it is larger than the sum of its proper divisors (2773895312881).

12020213021999 is a wasteful number, since it uses less digits than its factorization.

12020213021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132090253009.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 12020213021999 in words is "twelve trillion, twenty billion, two hundred thirteen million, twenty-one thousand, nine hundred ninety-nine".