1021010210212 has 12 divisors (see below), whose sum is σ = 1848380553180. Its totient is φ = 492901480736.

The previous prime is 1021010210203. The next prime is 1021010210243. The reversal of 1021010210212 is 2120120101201.

It can be written as a sum of positive squares in 2 ways, for example, as 795103922596 + 225906287616 = 891686^2 + 475296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021010210192 and 1021010210201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400905963 + ... + 4400906194.

It is an arithmetic number, because the mean of its divisors is an integer number (154031712765).

Almost surely, 2^{1021010210212} is an apocalyptic number.

It is an amenable number.

1021010210212 is a deficient number, since it is larger than the sum of its proper divisors (827370342968).

1021010210212 is a wasteful number, since it uses less digits than its factorization.

1021010210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801812190 (or 8801812188 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021010210212 its reverse (2120120101201), we get a palindrome (3141130311413).

The spelling of 1021010210212 in words is "one trillion, twenty-one billion, ten million, two hundred ten thousand, two hundred twelve".