210202120010 has 16 divisors (see below), whose sum is σ = 378702568296. Its totient is φ = 84005569728.

The previous prime is 210202120003. The next prime is 210202120027. The reversal of 210202120010 is 10021202012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85184010769 + 125018109241 = 291863^2 + 353579^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210202119973 and 210202120000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9398057 + ... + 9420396.

Almost surely, 2^210202120010 is an apocalyptic number.

210202120010 is a deficient number, since it is larger than the sum of its proper divisors (168500448286).

210202120010 is a wasteful number, since it uses less digits than its factorization.

210202120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18819577.

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

Adding to 210202120010 its reverse (10021202012), we get a palindrome (220223322022).

The spelling of 210202120010 in words is "two hundred ten billion, two hundred two million, one hundred twenty thousand, ten".