10000212122 has 4 divisors (see below), whose sum is σ = 15000318186. Its totient is φ = 5000106060.

The previous prime is 10000212059. The next prime is 10000212143. The reversal of 10000212122 is 22121200001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7177308961 + 2822903161 = 84719^2 + 53131^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500053029 + ... + 2500053032.

Almost surely, 2^10000212122 is an apocalyptic number.

10000212122 is a deficient number, since it is larger than the sum of its proper divisors (5000106064).

10000212122 is an equidigital number, since it uses as much as digits as its factorization.

10000212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000106063.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10000212122 its reverse (22121200001), we get a palindrome (32121412123).

The spelling of 10000212122 in words is "ten billion, two hundred twelve thousand, one hundred twenty-two".