1002002120212 has 12 divisors (see below), whose sum is σ = 1755343699956. Its totient is φ = 500475348800.

The previous prime is 1002002120201. The next prime is 1002002120293. The reversal of 1002002120212 is 2120212002001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 809881204356 + 192120915856 = 899934^2 + 438316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002002120192 and 1002002120201.

It is a congruent number.

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, 131423539 + ... + 131431162.

It is an arithmetic number, because the mean of its divisors is an integer number (146278641663).

Almost surely, 2^{1002002120212} is an apocalyptic number.

It is an amenable number.

1002002120212 is a deficient number, since it is larger than the sum of its proper divisors (753341579744).

1002002120212 is a wasteful number, since it uses less digits than its factorization.

1002002120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262855658 (or 262855656 counting only the distinct ones).

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

Adding to 1002002120212 its reverse (2120212002001), we get a palindrome (3122214122213).

The spelling of 1002002120212 in words is "one trillion, two billion, two million, one hundred twenty thousand, two hundred twelve".