1002102210212 has 24 divisors (see below), whose sum is σ = 1920865295160. Its totient is φ = 455316216320.

The previous prime is 1002102210167. The next prime is 1002102210217. The reversal of 1002102210212 is 2120122012001.

It can be written as a sum of positive squares in 4 ways, for example, as 382708025956 + 619394184256 = 618634^2 + 787016^2 .

It is not an unprimeable number, because it can be changed into a prime (1002102210217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254080739 + ... + 254084682.

It is an arithmetic number, because the mean of its divisors is an integer number (80036053965).

Almost surely, 2^{1002102210212} is an apocalyptic number.

It is an amenable number.

1002102210212 is a deficient number, since it is larger than the sum of its proper divisors (918763084948).

1002102210212 is a wasteful number, since it uses less digits than its factorization.

1002102210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508165471 (or 508165469 counting only the distinct ones).

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

Adding to 1002102210212 its reverse (2120122012001), we get a palindrome (3122224222213).

The spelling of 1002102210212 in words is "one trillion, two billion, one hundred two million, two hundred ten thousand, two hundred twelve".