1022213321212 has 24 divisors (see below), whose sum is σ = 1867593974400. Its totient is φ = 488637508656.

The previous prime is 1022213321197. The next prime is 1022213321237. The reversal of 1022213321212 is 2121233122201.

1022213321212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625162 + ... + 2989297.

It is an arithmetic number, because the mean of its divisors is an integer number (77816415600).

Almost surely, 2^{1022213321212} is an apocalyptic number.

It is an amenable number.

1022213321212 is a deficient number, since it is larger than the sum of its proper divisors (845380653188).

1022213321212 is a wasteful number, since it uses less digits than its factorization.

1022213321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616465 (or 5616463 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1022213321212 its reverse (2121233122201), we get a palindrome (3143446443413).

The spelling of 1022213321212 in words is "one trillion, twenty-two billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred twelve".