212210010 has 32 divisors (see below), whose sum is σ = 565894080. Its totient is φ = 56589264.

The previous prime is 212209969. The next prime is 212210021. The reversal of 212210010 is 10012212.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212209974 and 212210001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392712 + ... + 393251.

It is an arithmetic number, because the mean of its divisors is an integer number (17684190).

Almost surely, 2^212210010 is an apocalyptic number.

212210010 is an abundant number, since it is smaller than the sum of its proper divisors (353684070).

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

212210010 is a wasteful number, since it uses less digits than its factorization.

212210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785979 (or 785973 counting only the distinct ones).

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

The square root of 212210010 is about 14567.4297664344. The cubic root of 212210010 is about 596.4700228299.

Adding to 212210010 its reverse (10012212), we get a palindrome (222222222).

The spelling of 212210010 in words is "two hundred twelve million, two hundred ten thousand, ten".