212012102210 has 48 divisors (see below), whose sum is σ = 406113785856. Its totient is φ = 79673939712.

The previous prime is 212012102123. The next prime is 212012102233. The reversal of 212012102210 is 12201210212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1561919 + ... + 1692221.

It is an arithmetic number, because the mean of its divisors is an integer number (8460703872).

Almost surely, 2^212012102210 is an apocalyptic number.

212012102210 is a deficient number, since it is larger than the sum of its proper divisors (194101683646).

212012102210 is a wasteful number, since it uses less digits than its factorization.

212012102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130907 (or 130890 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212012102210 its reverse (12201210212), we get a palindrome (224213312422).

The spelling of 212012102210 in words is "two hundred twelve billion, twelve million, one hundred two thousand, two hundred ten".