1210000222222 has 32 divisors (see below), whose sum is σ = 2116479746304. Its totient is φ = 513255652800.

The previous prime is 1210000222187. The next prime is 1210000222231. The reversal of 1210000222222 is 2222220000121.

It is a junction number, because it is equal to n+sod(n) for n = 1210000222196 and 1210000222205.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29141508 + ... + 29182999.

It is an arithmetic number, because the mean of its divisors is an integer number (66139992072).

Almost surely, 2^{1210000222222} is an apocalyptic number.

1210000222222 is a deficient number, since it is larger than the sum of its proper divisors (906479524082).

1210000222222 is a wasteful number, since it uses less digits than its factorization.

1210000222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58324584.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1210000222222 its reverse (2222220000121), we get a palindrome (3432220222343).

The spelling of 1210000222222 in words is "one trillion, two hundred ten billion, two hundred twenty-two thousand, two hundred twenty-two".