1022212112 has 20 divisors (see below), whose sum is σ = 2000148396. Its totient is φ = 506044800.

The previous prime is 1022212049. The next prime is 1022212117. The reversal of 1022212112 is 2112122201.

1022212112 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 2 ways, for example, as 805651456 + 216560656 = 28384^2 + 14716^2 .

It is not an unprimeable number, because it can be changed into a prime (1022212117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314663 + ... + 317894.

Almost surely, 2^1022212112 is an apocalyptic number.

It is an amenable number.

1022212112 is a deficient number, since it is larger than the sum of its proper divisors (977936284).

1022212112 is a wasteful number, since it uses less digits than its factorization.

1022212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632666 (or 632660 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1022212112 is about 31972.0520454975. The cubic root of 1022212112 is about 1007.3498841869.

Adding to 1022212112 its reverse (2112122201), we get a palindrome (3134334313).

The spelling of 1022212112 in words is "one billion, twenty-two million, two hundred twelve thousand, one hundred twelve".