12002221210 has 48 divisors (see below), whose sum is σ = 25506343584. Its totient is φ = 4053617568.

The previous prime is 12002221201. The next prime is 12002221241. The reversal of 12002221210 is 1212220021.

It is a happy number.

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, 149964 + ... + 215623.

It is an arithmetic number, because the mean of its divisors is an integer number (531382158).

Almost surely, 2^12002221210 is an apocalyptic number.

12002221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002221210 is an abundant number, since it is smaller than the sum of its proper divisors (13504122374).

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

12002221210 is a wasteful number, since it uses less digits than its factorization.

12002221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365675 (or 365668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002221210 its reverse (1212220021), we get a palindrome (13214441231).

The spelling of 12002221210 in words is "twelve billion, two million, two hundred twenty-one thousand, two hundred ten".