210020012100002 has 8 divisors (see below), whose sum is σ = 339263096469276. Its totient is φ = 96932313276912.

The previous prime is 210020012099977. The next prime is 210020012100037. The reversal of 210020012100002 is 200001210020012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149784578299801 + 60235433800201 = 12238651^2 + 7761149^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4038846386513 + ... + 4038846386564.

Almost surely, 2^{210020012100002} is an apocalyptic number.

210020012100002 is a deficient number, since it is larger than the sum of its proper divisors (129243084369274).

210020012100002 is a wasteful number, since it uses less digits than its factorization.

210020012100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077692773092.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210020012100002 its reverse (200001210020012), we get a palindrome (410021222120014).

The spelling of 210020012100002 in words is "two hundred ten trillion, twenty billion, twelve million, one hundred thousand, two".