1220012102222 has 8 divisors (see below), whose sum is σ = 1833613475400. Its totient is φ = 608807610424.

The previous prime is 1220012102213. The next prime is 1220012102237. The reversal of 1220012102222 is 2222012100221.

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 1220012102222.

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, 599219072 + ... + 599221107.

It is an arithmetic number, because the mean of its divisors is an integer number (229201684425).

Almost surely, 2^{1220012102222} is an apocalyptic number.

1220012102222 is a deficient number, since it is larger than the sum of its proper divisors (613601373178).

1220012102222 is a wasteful number, since it uses less digits than its factorization.

1220012102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198440690.

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

Adding to 1220012102222 its reverse (2222012100221), we get a palindrome (3442024202443).

The spelling of 1220012102222 in words is "one trillion, two hundred twenty billion, twelve million, one hundred two thousand, two hundred twenty-two".