212212111010001 has 8 divisors (see below), whose sum is σ = 283071917306304. Its totient is φ = 141413522693520.

The previous prime is 212212111009909. The next prime is 212212111010087. The reversal of 212212111010001 is 100010111212212.

It is a happy number.

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

It is not a de Polignac number, because 212212111010001 - 2⁹ = 212212111009489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212212116010001) 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, 15304486866 + ... + 15304500731.

It is an arithmetic number, because the mean of its divisors is an integer number (35383989663288).

Almost surely, 2^{212212111010001} is an apocalyptic number.

It is an amenable number.

212212111010001 is a deficient number, since it is larger than the sum of its proper divisors (70859806296303).

212212111010001 is a wasteful number, since it uses less digits than its factorization.

212212111010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30608989911.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212212111010001 its reverse (100010111212212), we get a palindrome (312222222222213).

The spelling of 212212111010001 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred eleven million, ten thousand, one".