210012021010 has 32 divisors (see below), whose sum is σ = 412497702144. Its totient is φ = 76347552000.

The previous prime is 210012020993. The next prime is 210012021017. The reversal of 210012021010 is 10120210012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (210012021017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159895 + ... + 667525.

It is an arithmetic number, because the mean of its divisors is an integer number (12890553192).

Almost surely, 2^210012021010 is an apocalyptic number.

210012021010 is a deficient number, since it is larger than the sum of its proper divisors (202485681134).

210012021010 is a wasteful number, since it uses less digits than its factorization.

210012021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511410.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210012021010 its reverse (10120210012), we get a palindrome (220132231022).

The spelling of 210012021010 in words is "two hundred ten billion, twelve million, twenty-one thousand, ten".