1000012210222 has 4 divisors (see below), whose sum is σ = 1500018315336. Its totient is φ = 500006105110.

The previous prime is 1000012210217. The next prime is 1000012210231. The reversal of 1000012210222 is 2220122100001.

It is a happy number.

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

It is a super-3 number, since 3×1000012210222³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250003052554 + ... + 250003052557.

It is an arithmetic number, because the mean of its divisors is an integer number (375004578834).

Almost surely, 2^{1000012210222} is an apocalyptic number.

1000012210222 is a deficient number, since it is larger than the sum of its proper divisors (500006105114).

1000012210222 is an equidigital number, since it uses as much as digits as its factorization.

1000012210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500006105113.

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

Adding to 1000012210222 its reverse (2220122100001), we get a palindrome (3220134310223).

The spelling of 1000012210222 in words is "one trillion, twelve million, two hundred ten thousand, two hundred twenty-two".