210001102012 has 48 divisors (see below), whose sum is σ = 397755906912. Its totient is φ = 96438585600.

The previous prime is 210001101967. The next prime is 210001102013. The reversal of 210001102012 is 210201100012.

It is a self number, because there is not a number n which added to its sum of digits gives 210001102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001102013) 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, 10305738 + ... + 10326094.

It is an arithmetic number, because the mean of its divisors is an integer number (8286581394).

Almost surely, 2^210001102012 is an apocalyptic number.

It is an amenable number.

210001102012 is a deficient number, since it is larger than the sum of its proper divisors (187754804900).

210001102012 is a wasteful number, since it uses less digits than its factorization.

210001102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21358 (or 21356 counting only the distinct ones).

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

Adding to 210001102012 its reverse (210201100012), we get a palindrome (420202202024).

The spelling of 210001102012 in words is "two hundred ten billion, one million, one hundred two thousand, twelve".