212102010001 has 64 divisors (see below), whose sum is σ = 256011840000. Its totient is φ = 175567392000.

The previous prime is 212102009941. The next prime is 212102010007. The reversal of 212102010001 is 100010201212.

It is not a de Polignac number, because 212102010001 - 2¹³ = 212102001809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212102010001.

It is not an unprimeable number, because it can be changed into a prime (212102010007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 607741975 + ... + 607742323.

It is an arithmetic number, because the mean of its divisors is an integer number (4000185000).

Almost surely, 2^212102010001 is an apocalyptic number.

It is an amenable number.

212102010001 is a deficient number, since it is larger than the sum of its proper divisors (43909829999).

212102010001 is a wasteful number, since it uses less digits than its factorization.

212102010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212102010001 its reverse (100010201212), we get a palindrome (312112211213).

The spelling of 212102010001 in words is "two hundred twelve billion, one hundred two million, ten thousand, one".