12210010212 has 24 divisors (see below), whose sum is σ = 29260025536. Its totient is φ = 3960003168.

The previous prime is 12210010193. The next prime is 12210010271. The reversal of 12210010212 is 21201001221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13749568 + ... + 13750455.

Almost surely, 2^12210010212 is an apocalyptic number.

12210010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210010212 is an abundant number, since it is smaller than the sum of its proper divisors (17050015324).

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

12210010212 is a wasteful number, since it uses less digits than its factorization.

12210010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500067 (or 27500065 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12210010212 its reverse (21201001221), we get a palindrome (33411011433).

The spelling of 12210010212 in words is "twelve billion, two hundred ten million, ten thousand, two hundred twelve".