1002122212120 has 32 divisors (see below), whose sum is σ = 2257181438400. Its totient is φ = 400421069568.

The previous prime is 1002122212111. The next prime is 1002122212129. The reversal of 1002122212120 is 212122212001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1002122212111) and next prime (1002122212129).

It is a junction number, because it is equal to n+sod(n) for n = 1002122212094 and 1002122212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002122212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13331280 + ... + 13406239.

It is an arithmetic number, because the mean of its divisors is an integer number (70536919950).

Almost surely, 2^{1002122212120} is an apocalyptic number.

1002122212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002122212120 is an abundant number, since it is smaller than the sum of its proper divisors (1255059226280).

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

1002122212120 is a wasteful number, since it uses less digits than its factorization.

1002122212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26738467 (or 26738463 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1002122212120 its reverse (212122212001), we get a palindrome (1214244424121).

The spelling of 1002122212120 in words is "one trillion, two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty".