210012102001 has 8 divisors (see below), whose sum is σ = 228168357480. Its totient is φ = 192141772032.

The previous prime is 210012101989. The next prime is 210012102061. The reversal of 210012102001 is 100201210012.

It can be written as a sum of positive squares in 4 ways, for example, as 25936780401 + 184075321600 = 161049^2 + 429040^2 .

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

It is not a de Polignac number, because 210012102001 - 2²³ = 210003713393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012102061) 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, 71479846 + ... + 71482783.

It is an arithmetic number, because the mean of its divisors is an integer number (28521044685).

Almost surely, 2^210012102001 is an apocalyptic number.

It is an amenable number.

210012102001 is a deficient number, since it is larger than the sum of its proper divisors (18156255479).

210012102001 is a wasteful number, since it uses less digits than its factorization.

210012102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142962755.

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

Adding to 210012102001 its reverse (100201210012), we get a palindrome (310213312013).

The spelling of 210012102001 in words is "two hundred ten billion, twelve million, one hundred two thousand, one".