10000212221222 has 8 divisors (see below), whose sum is σ = 15009572080272. Its totient is φ = 4997021527800.

The previous prime is 10000212221201. The next prime is 10000212221281. The reversal of 10000212221222 is 22212221200001.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10000212221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542287354 + ... + 1542293837.

It is an arithmetic number, because the mean of its divisors is an integer number (1876196510034).

Almost surely, 2^{10000212221222} is an apocalyptic number.

10000212221222 is a deficient number, since it is larger than the sum of its proper divisors (5009359859050).

10000212221222 is a wasteful number, since it uses less digits than its factorization.

10000212221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084582814.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10000212221222 its reverse (22212221200001), we get a palindrome (32212433421223).

The spelling of 10000212221222 in words is "ten trillion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".