210212020100 has 18 divisors (see below), whose sum is σ = 456160083834. Its totient is φ = 84084808000.

The previous prime is 210212020093. The next prime is 210212020111. The reversal of 210212020100 is 1020212012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 110796676 + 210101223424 = 10526^2 + 458368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1051060001 + ... + 1051060200.

Almost surely, 2^210212020100 is an apocalyptic number.

210212020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210212020100 is an abundant number, since it is smaller than the sum of its proper divisors (245948063734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210212020100 is a wasteful number, since it uses less digits than its factorization.

210212020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102120215 (or 2102120208 counting only the distinct ones).

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

Adding to 210212020100 its reverse (1020212012), we get a palindrome (211232232112).

The spelling of 210212020100 in words is "two hundred ten billion, two hundred twelve million, twenty thousand, one hundred".