2002012100212 has 12 divisors (see below), whose sum is σ = 3503535045220. Its totient is φ = 1001002087296.

The previous prime is 2002012100167. The next prime is 2002012100269. The reversal of 2002012100212 is 2120012102002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1982700551056 + 19311549156 = 1408084^2 + 138966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002012100192 and 2002012100201.

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, 346558 + ... + 2030794.

Almost surely, 2^{2002012100212} is an apocalyptic number.

It is an amenable number.

2002012100212 is a deficient number, since it is larger than the sum of its proper divisors (1501522945008).

2002012100212 is a wasteful number, since it uses less digits than its factorization.

2002012100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981410 (or 1981408 counting only the distinct ones).

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

Adding to 2002012100212 its reverse (2120012102002), we get a palindrome (4122024202214).

The spelling of 2002012100212 in words is "two trillion, two billion, twelve million, one hundred thousand, two hundred twelve".