212101211210001 has 8 divisors (see below), whose sum is σ = 282820946580480. Its totient is φ = 141391141656432.

The previous prime is 212101211209891. The next prime is 212101211210071. The reversal of 212101211210001 is 100012112101212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212101211210001 - 2⁷ = 212101211209873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212101211210071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416403025 + ... + 2416490798.

It is an arithmetic number, because the mean of its divisors is an integer number (35352618322560).

Almost surely, 2^{212101211210001} is an apocalyptic number.

It is an amenable number.

212101211210001 is a deficient number, since it is larger than the sum of its proper divisors (70719735370479).

212101211210001 is a wasteful number, since it uses less digits than its factorization.

212101211210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832908455.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212101211210001 its reverse (100012112101212), we get a palindrome (312113323311213).

The spelling of 212101211210001 in words is "two hundred twelve trillion, one hundred one billion, two hundred eleven million, two hundred ten thousand, one".