12201212012 has 24 divisors (see below), whose sum is σ = 23296081872. Its totient is φ = 5545324800.

The previous prime is 12201212003. The next prime is 12201212039. The reversal of 12201212012 is 21021210221.

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, 584312 + ... + 604832.

It is an arithmetic number, because the mean of its divisors is an integer number (970670078).

Almost surely, 2^12201212012 is an apocalyptic number.

It is an amenable number.

12201212012 is a deficient number, since it is larger than the sum of its proper divisors (11094869860).

12201212012 is a wasteful number, since it uses less digits than its factorization.

12201212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34049 (or 34047 counting only the distinct ones).

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

Adding to 12201212012 its reverse (21021210221), we get a palindrome (33222422233).

The spelling of 12201212012 in words is "twelve billion, two hundred one million, two hundred twelve thousand, twelve".