212113210001 has 16 divisors (see below), whose sum is σ = 264462914688. Its totient is φ = 165276720000.

The previous prime is 212113209977. The next prime is 212113210019. The reversal of 212113210001 is 100012311212.

It is a de Polignac number, because none of the positive numbers 2^k-212113210001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212113210061) 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, 3900071 + ... + 3954083.

It is an arithmetic number, because the mean of its divisors is an integer number (16528932168).

Almost surely, 2^212113210001 is an apocalyptic number.

It is an amenable number.

212113210001 is a deficient number, since it is larger than the sum of its proper divisors (52349704687).

212113210001 is a wasteful number, since it uses less digits than its factorization.

212113210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105032.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212113210001 its reverse (100012311212), we get a palindrome (312125521213).

The spelling of 212113210001 in words is "two hundred twelve billion, one hundred thirteen million, two hundred ten thousand, one".