212010020010 has 24 divisors (see below), whose sum is σ = 551226052260. Its totient is φ = 56536005312.

The previous prime is 212010019891. The next prime is 212010020041. The reversal of 212010020010 is 10020010212.

It can be written as a sum of positive squares in 2 ways, for example, as 211753667889 + 256352121 = 460167^2 + 16011^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212010019974 and 212010020001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177833355 + ... + 1177833534.

Almost surely, 2^212010020010 is an apocalyptic number.

212010020010 is an abundant number, since it is smaller than the sum of its proper divisors (339216032250).

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

212010020010 is a wasteful number, since it uses less digits than its factorization.

212010020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355666902 (or 2355666899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 212010020010 its reverse (10020010212), we get a palindrome (222030030222).

The spelling of 212010020010 in words is "two hundred twelve billion, ten million, twenty thousand, ten".