12210330323212 has 48 divisors (see below), whose sum is σ = 25410820055040. Its totient is φ = 5025023220672.

The previous prime is 12210330323197. The next prime is 12210330323251. The reversal of 12210330323212 is 21232303301221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87462012 + ... + 87601507.

It is an arithmetic number, because the mean of its divisors is an integer number (529392084480).

Almost surely, 2^{12210330323212} is an apocalyptic number.

It is an amenable number.

12210330323212 is an abundant number, since it is smaller than the sum of its proper divisors (13200489731828).

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

12210330323212 is a wasteful number, since it uses less digits than its factorization.

12210330323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175063630 (or 175063628 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12210330323212 its reverse (21232303301221), we get a palindrome (33442633624433).

The spelling of 12210330323212 in words is "twelve trillion, two hundred ten billion, three hundred thirty million, three hundred twenty-three thousand, two hundred twelve".