12201212012212 has 12 divisors (see below), whose sum is σ = 21609375492096. Its totient is φ = 6027104728760.

The previous prime is 12201212012137. The next prime is 12201212012243. The reversal of 12201212012212 is 21221021210221.

It is a self number, because there is not a number n which added to its sum of digits gives 12201212012212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18375318964 + ... + 18375319627.

It is an arithmetic number, because the mean of its divisors is an integer number (1800781291008).

Almost surely, 2^{12201212012212} is an apocalyptic number.

It is an amenable number.

12201212012212 is a deficient number, since it is larger than the sum of its proper divisors (9408163479884).

12201212012212 is a wasteful number, since it uses less digits than its factorization.

12201212012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36750638678 (or 36750638676 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12201212012212 its reverse (21221021210221), we get a palindrome (33422233222433).

The spelling of 12201212012212 in words is "twelve trillion, two hundred one billion, two hundred twelve million, twelve thousand, two hundred twelve".