212000121222001 has 8 divisors (see below), whose sum is σ = 242286646440960. Its totient is φ = 181713794407008.

The previous prime is 212000121221981. The next prime is 212000121222007. The reversal of 212000121222001 is 100222121000212.

It is a happy number.

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 212000121222001 - 2⁵ = 212000121221969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000121222007) 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, 47304196 + ... + 51591541.

It is an arithmetic number, because the mean of its divisors is an integer number (30285830805120).

Almost surely, 2^{212000121222001} is an apocalyptic number.

It is an amenable number.

212000121222001 is a deficient number, since it is larger than the sum of its proper divisors (30286525218959).

212000121222001 is an equidigital number, since it uses as much as digits as its factorization.

212000121222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99201983.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212000121222001 its reverse (100222121000212), we get a palindrome (312222242222213).

The spelling of 212000121222001 in words is "two hundred twelve trillion, one hundred twenty-one million, two hundred twenty-two thousand, one".