211002002012 has 6 divisors (see below), whose sum is σ = 369253503528. Its totient is φ = 105501001004.

The previous prime is 211002002009. The next prime is 211002002027. The reversal of 211002002012 is 210200200112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211002001984 and 211002002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26375250248 + ... + 26375250255.

It is an arithmetic number, because the mean of its divisors is an integer number (61542250588).

Almost surely, 2^211002002012 is an apocalyptic number.

It is an amenable number.

211002002012 is a deficient number, since it is larger than the sum of its proper divisors (158251501516).

211002002012 is a wasteful number, since it uses less digits than its factorization.

211002002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52750500507 (or 52750500505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 211002002012 its reverse (210200200112), we get a palindrome (421202202124).

The spelling of 211002002012 in words is "two hundred eleven billion, two million, two thousand, twelve".