12221102001212 has 24 divisors (see below), whose sum is σ = 23033022675936. Its totient is φ = 5640276984768.

The previous prime is 12221102001131. The next prime is 12221102001233. The reversal of 12221102001212 is 21210020112221.

12221102001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543968 + ... + 6082919.

It is an arithmetic number, because the mean of its divisors is an integer number (959709278164).

Almost surely, 2^{12221102001212} is an apocalyptic number.

It is an amenable number.

12221102001212 is a deficient number, since it is larger than the sum of its proper divisors (10811920674724).

12221102001212 is a wasteful number, since it uses less digits than its factorization.

12221102001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651317 (or 9651315 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221102001212 its reverse (21210020112221), we get a palindrome (33431122113433).

The spelling of 12221102001212 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, one thousand, two hundred twelve".