2212220212112 has 10 divisors (see below), whose sum is σ = 4286176660998. Its totient is φ = 1106110106048.

The previous prime is 2212220212073. The next prime is 2212220212127. The reversal of 2212220212112 is 2112120222122.

It can be written as a sum of positive squares in only one way, i.e., 2110035139216 + 102185072896 = 1452596^2 + 319664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69131881613 + ... + 69131881644.

Almost surely, 2^{2212220212112} is an apocalyptic number.

It is an amenable number.

2212220212112 is a deficient number, since it is larger than the sum of its proper divisors (2073956448886).

2212220212112 is a wasteful number, since it uses less digits than its factorization.

2212220212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138263763265 (or 138263763259 counting only the distinct ones).

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

Adding to 2212220212112 its reverse (2112120222122), we get a palindrome (4324340434234).

The spelling of 2212220212112 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred twelve".