210202123201 has 12 divisors (see below), whose sum is σ = 247268267460. Its totient is φ = 178148826240.

The previous prime is 210202123199. The next prime is 210202123213. The reversal of 210202123201 is 102321202012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14484363201 + 195717760000 = 120351^2 + 442400^2 .

It is not a de Polignac number, because 210202123201 - 2¹ = 210202123199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210202123601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24095860 + ... + 24104581.

It is an arithmetic number, because the mean of its divisors is an integer number (20605688955).

Almost surely, 2^210202123201 is an apocalyptic number.

It is an amenable number.

210202123201 is a deficient number, since it is larger than the sum of its proper divisors (37066144259).

210202123201 is an equidigital number, since it uses as much as digits as its factorization.

210202123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48200544 (or 48200537 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210202123201 its reverse (102321202012), we get a palindrome (312523325213).

The spelling of 210202123201 in words is "two hundred ten billion, two hundred two million, one hundred twenty-three thousand, two hundred one".