12201000122012 has 48 divisors (see below), whose sum is σ = 23529702023520. Its totient is φ = 5500094116608.

The previous prime is 12201000122009. The next prime is 12201000122033. The reversal of 12201000122012 is 21022100010221.

It is a congruent number.

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, 89347178 + ... + 89483630.

It is an arithmetic number, because the mean of its divisors is an integer number (490202125490).

Almost surely, 2^{12201000122012} is an apocalyptic number.

It is an amenable number.

12201000122012 is a deficient number, since it is larger than the sum of its proper divisors (11328701901508).

12201000122012 is a wasteful number, since it uses less digits than its factorization.

12201000122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176502 (or 176500 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201000122012 its reverse (21022100010221), we get a palindrome (33223100132233).

The spelling of 12201000122012 in words is "twelve trillion, two hundred one billion, one hundred twenty-two thousand, twelve".