2220021212012 has 6 divisors (see below), whose sum is σ = 3885037121028. Its totient is φ = 1110010606004.

The previous prime is 2220021211957. The next prime is 2220021212051. The reversal of 2220021212012 is 2102121200222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277502651498 + ... + 277502651505.

It is an arithmetic number, because the mean of its divisors is an integer number (647506186838).

Almost surely, 2^{2220021212012} is an apocalyptic number.

It is an amenable number.

2220021212012 is a deficient number, since it is larger than the sum of its proper divisors (1665015909016).

2220021212012 is a wasteful number, since it uses less digits than its factorization.

2220021212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555005303007 (or 555005303005 counting only the distinct ones).

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

Adding to 2220021212012 its reverse (2102121200222), we get a palindrome (4322142412234).

The spelling of 2220021212012 in words is "two trillion, two hundred twenty billion, twenty-one million, two hundred twelve thousand, twelve".