12200221022212 has 96 divisors (see below), whose sum is σ = 22693764804480. Its totient is φ = 5729022673920.

The previous prime is 12200221022203. The next prime is 12200221022237. The reversal of 12200221022212 is 21222012200221.

It is a self number, because there is not a number n which added to its sum of digits gives 12200221022212.

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, 2015562978 + ... + 2015569030.

It is an arithmetic number, because the mean of its divisors is an integer number (236393383380).

Almost surely, 2^{12200221022212} is an apocalyptic number.

It is an amenable number.

12200221022212 is a deficient number, since it is larger than the sum of its proper divisors (10493543782268).

12200221022212 is a wasteful number, since it uses less digits than its factorization.

12200221022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7733 (or 7731 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12200221022212 its reverse (21222012200221), we get a palindrome (33422233222433).

The spelling of 12200221022212 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, twenty-two thousand, two hundred twelve".