1000212222001 has 8 divisors (see below), whose sum is σ = 1023144260544. Its totient is φ = 977430558000.

The previous prime is 1000212221993. The next prime is 1000212222019. The reversal of 1000212222001 is 1002222120001.

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 1000212222001 - 2³ = 1000212221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000212222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37580181 + ... + 37606786.

It is an arithmetic number, because the mean of its divisors is an integer number (127893032568).

Almost surely, 2^{1000212222001} is an apocalyptic number.

It is an amenable number.

1000212222001 is a deficient number, since it is larger than the sum of its proper divisors (22932038543).

1000212222001 is an equidigital number, since it uses as much as digits as its factorization.

1000212222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75187271.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000212222001 its reverse (1002222120001), we get a palindrome (2002434342002).

The spelling of 1000212222001 in words is "one trillion, two hundred twelve million, two hundred twenty-two thousand, one".