2221012020212 has 6 divisors (see below), whose sum is σ = 3886771035378. Its totient is φ = 1110506010104.

The previous prime is 2221012020173. The next prime is 2221012020229. The reversal of 2221012020212 is 2120202101222.

It is a happy number.

2221012020212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2197824040036 + 23187980176 = 1482506^2 + 152276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277626502523 + ... + 277626502530.

It is an arithmetic number, because the mean of its divisors is an integer number (647795172563).

Almost surely, 2^{2221012020212} is an apocalyptic number.

It is an amenable number.

2221012020212 is a deficient number, since it is larger than the sum of its proper divisors (1665759015166).

2221012020212 is a wasteful number, since it uses less digits than its factorization.

2221012020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555253005057 (or 555253005055 counting only the distinct ones).

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

Adding to 2221012020212 its reverse (2120202101222), we get a palindrome (4341214121434).

The spelling of 2221012020212 in words is "two trillion, two hundred twenty-one billion, twelve million, twenty thousand, two hundred twelve".