212012021110 has 16 divisors (see below), whose sum is σ = 381627306000. Its totient is φ = 84803548896.

The previous prime is 212012021101. The next prime is 212012021129. The reversal of 212012021110 is 11120210212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866821 + ... + 1084159.

It is an arithmetic number, because the mean of its divisors is an integer number (23851706625).

Almost surely, 2^212012021110 is an apocalyptic number.

212012021110 is a deficient number, since it is larger than the sum of its proper divisors (169615284890).

212012021110 is a wasteful number, since it uses less digits than its factorization.

212012021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314895.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212012021110 its reverse (11120210212), we get a palindrome (223132231322).

The spelling of 212012021110 in words is "two hundred twelve billion, twelve million, twenty-one thousand, one hundred ten".