210012010 has 16 divisors (see below), whose sum is σ = 407100456. Its totient is φ = 77542848.

The previous prime is 210011981. The next prime is 210012013. The reversal of 210012010 is 10210012.

It can be written as a sum of positive squares in 4 ways, for example, as 194965369 + 15046641 = 13963^2 + 3879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210011984 and 210012002.

It is not an unprimeable number, because it can be changed into a prime (210012013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807609 + ... + 807868.

Almost surely, 2^210012010 is an apocalyptic number.

210012010 is a deficient number, since it is larger than the sum of its proper divisors (197088446).

210012010 is a wasteful number, since it uses less digits than its factorization.

210012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615497.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 210012010 is about 14491.7911246333. The cubic root of 210012010 is about 594.4035262512.

Adding to 210012010 its reverse (10210012), we get a palindrome (220222022).

The spelling of 210012010 in words is "two hundred ten million, twelve thousand, ten".