12212120210 has 16 divisors (see below), whose sum is σ = 22045170816. Its totient is φ = 4870769328.

The previous prime is 12212120209. The next prime is 12212120281. The reversal of 12212120210 is 1202121221.

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, 1756202 + ... + 1763141.

It is an arithmetic number, because the mean of its divisors is an integer number (1377823176).

Almost surely, 2^12212120210 is an apocalyptic number.

12212120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212120210 is a deficient number, since it is larger than the sum of its proper divisors (9833050606).

12212120210 is a wasteful number, since it uses less digits than its factorization.

12212120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519697.

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

Adding to 12212120210 its reverse (1202121221), we get a palindrome (13414241431).

The spelling of 12212120210 in words is "twelve billion, two hundred twelve million, one hundred twenty thousand, two hundred ten".