212001121006 has 16 divisors (see below), whose sum is σ = 320566260960. Its totient is φ = 105146876800.

The previous prime is 212001120971. The next prime is 212001121021. The reversal of 212001121006 is 600121100212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68106 + ... + 654706.

It is an arithmetic number, because the mean of its divisors is an integer number (20035391310).

Almost surely, 2^212001121006 is an apocalyptic number.

212001121006 is a deficient number, since it is larger than the sum of its proper divisors (108565139954).

212001121006 is a wasteful number, since it uses less digits than its factorization.

212001121006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588059.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212001121006 its reverse (600121100212), we get a palindrome (812122221218).

The spelling of 212001121006 in words is "two hundred twelve billion, one million, one hundred twenty-one thousand, six".