12210202003212 has 36 divisors (see below), whose sum is σ = 31255369410720. Its totient is φ = 4018547493792.

The previous prime is 12210202003159. The next prime is 12210202003231. The reversal of 12210202003212 is 21230020201221.

12210202003212 is a `hidden beast` number, since 122 + 1 + 0 + 20 + 200 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2146657143 + ... + 2146662830.

Almost surely, 2^{12210202003212} is an apocalyptic number.

12210202003212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210202003212 is an abundant number, since it is smaller than the sum of its proper divisors (19045167407508).

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

12210202003212 is a wasteful number, since it uses less digits than its factorization.

12210202003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293320062 (or 4293320057 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12210202003212 its reverse (21230020201221), we get a palindrome (33440222204433).

The spelling of 12210202003212 in words is "twelve trillion, two hundred ten billion, two hundred two million, three thousand, two hundred twelve".