1212110222222 has 8 divisors (see below), whose sum is σ = 1818173465472. Its totient is φ = 606052400400.

The previous prime is 1212110222203. The next prime is 1212110222233. The reversal of 1212110222222 is 2222220112121.

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

It is a super-2 number, since 2×1212110222222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212110222194 and 1212110222203.

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, 740654 + ... + 1724177.

It is an arithmetic number, because the mean of its divisors is an integer number (227271683184).

Almost surely, 2^{1212110222222} is an apocalyptic number.

1212110222222 is a deficient number, since it is larger than the sum of its proper divisors (606063243250).

1212110222222 is a wasteful number, since it uses less digits than its factorization.

1212110222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710714.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1212110222222 its reverse (2222220112121), we get a palindrome (3434330334343).

The spelling of 1212110222222 in words is "one trillion, two hundred twelve billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-two".