12010221210 has 64 divisors (see below), whose sum is σ = 31763749248. Its totient is φ = 2887605504.

The previous prime is 12010221203. The next prime is 12010221277. The reversal of 12010221210 is 1212201021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341317 + ... + 374856.

It is an arithmetic number, because the mean of its divisors is an integer number (496308582).

Almost surely, 2^12010221210 is an apocalyptic number.

12010221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12010221210 is an abundant number, since it is smaller than the sum of its proper divisors (19753528038).

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

12010221210 is a wasteful number, since it uses less digits than its factorization.

12010221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716239.

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

Adding to 12010221210 its reverse (1212201021), we get a palindrome (13222422231).

The spelling of 12010221210 in words is "twelve billion, ten million, two hundred twenty-one thousand, two hundred ten".