211000211012 has 12 divisors (see below), whose sum is σ = 369304173420. Its totient is φ = 105484732896.

The previous prime is 211000211003. The next prime is 211000211029. The reversal of 211000211012 is 210112000112.

It can be written as a sum of positive squares in 2 ways, for example, as 43370561536 + 167629649476 = 208256^2 + 409426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211000210984 and 211000211002.

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, 3812243 + ... + 3867194.

It is an arithmetic number, because the mean of its divisors is an integer number (30775347785).

Almost surely, 2^211000211012 is an apocalyptic number.

It is an amenable number.

211000211012 is a deficient number, since it is larger than the sum of its proper divisors (158303962408).

211000211012 is a wasteful number, since it uses less digits than its factorization.

211000211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686310 (or 7686308 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211000211012 its reverse (210112000112), we get a palindrome (421112211124).

The spelling of 211000211012 in words is "two hundred eleven billion, two hundred eleven thousand, twelve".