1002002011212 has 48 divisors (see below), whose sum is σ = 2344165488000. Its totient is φ = 333120869760.

The previous prime is 1002002011201. The next prime is 1002002011217. The reversal of 1002002011212 is 2121102002001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1002002011217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30899287 + ... + 30931697.

It is an arithmetic number, because the mean of its divisors is an integer number (48836781000).

Almost surely, 2^{1002002011212} is an apocalyptic number.

1002002011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002002011212 is an abundant number, since it is smaller than the sum of its proper divisors (1342163476788).

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

1002002011212 is a wasteful number, since it uses less digits than its factorization.

1002002011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39126 (or 39124 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002002011212 its reverse (2121102002001), we get a palindrome (3123104013213).

The spelling of 1002002011212 in words is "one trillion, two billion, two million, eleven thousand, two hundred twelve".