1020122212 has 12 divisors (see below), whose sum is σ = 1846773180. Its totient is φ = 492472736.

The previous prime is 1020122203. The next prime is 1020122219. The reversal of 1020122212 is 2122210201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 419676196 + 600446016 = 20486^2 + 24504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020122192 and 1020122201.

It is not an unprimeable number, because it can be changed into a prime (1020122219) 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, 4396963 + ... + 4397194.

It is an arithmetic number, because the mean of its divisors is an integer number (153897765).

Almost surely, 2^1020122212 is an apocalyptic number.

It is an amenable number.

1020122212 is a deficient number, since it is larger than the sum of its proper divisors (826650968).

1020122212 is a wasteful number, since it uses less digits than its factorization.

1020122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794190 (or 8794188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1020122212 is about 31939.3520911117. The cubic root of 1020122212 is about 1006.6629110182.

Adding to 1020122212 its reverse (2122210201), we get a palindrome (3142332413).

The spelling of 1020122212 in words is "one billion, twenty million, one hundred twenty-two thousand, two hundred twelve".