1002212102020 has 48 divisors (see below), whose sum is σ = 2229784547760. Its totient is φ = 377077100544.

The previous prime is 1002212102009. The next prime is 1002212102033. The reversal of 1002212102020 is 202012122001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2883204 + 1002209218816 = 1698^2 + 1001104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315609 + ... + 1450528.

It is an arithmetic number, because the mean of its divisors is an integer number (46453844745).

Almost surely, 2^{1002212102020} is an apocalyptic number.

1002212102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002212102020 is an abundant number, since it is smaller than the sum of its proper divisors (1227572445740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002212102020 is a wasteful number, since it uses less digits than its factorization.

1002212102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767832 (or 1767830 counting only the distinct ones).

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

Adding to 1002212102020 its reverse (202012122001), we get a palindrome (1204224224021).

The spelling of 1002212102020 in words is "one trillion, two billion, two hundred twelve million, one hundred two thousand, twenty".