210012122021999 has 8 divisors (see below), whose sum is σ = 232242545898192. Its totient is φ = 188304766943040.

The previous prime is 210012122021927. The next prime is 210012122022011. The reversal of 210012122021999 is 999120221210012.

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

It is not a de Polignac number, because 210012122021999 - 2²⁴ = 210012105244783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012122021909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130767198464 + ... + 130767200069.

It is an arithmetic number, because the mean of its divisors is an integer number (29030318237274).

Almost surely, 2^{210012122021999} is an apocalyptic number.

210012122021999 is a deficient number, since it is larger than the sum of its proper divisors (22230423876193).

210012122021999 is a wasteful number, since it uses less digits than its factorization.

210012122021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261534398617.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 210012122021999 in words is "two hundred ten trillion, twelve billion, one hundred twenty-two million, twenty-one thousand, nine hundred ninety-nine".