12201001120012 has 24 divisors (see below), whose sum is σ = 22917432411216. Its totient is φ = 5662994876928.

The previous prime is 12201001119971. The next prime is 12201001120019. The reversal of 12201001120012 is 21002110010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201001119974 and 12201001120001.

It is not an unprimeable number, because it can be changed into a prime (12201001120019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228943578 + ... + 1228953505.

It is an arithmetic number, because the mean of its divisors is an integer number (954893017134).

Almost surely, 2^{12201001120012} is an apocalyptic number.

It is an amenable number.

12201001120012 is a deficient number, since it is larger than the sum of its proper divisors (10716431291204).

12201001120012 is a wasteful number, since it uses less digits than its factorization.

12201001120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457897177 (or 2457897175 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201001120012 its reverse (21002110010221), we get a palindrome (33203111130233).

The spelling of 12201001120012 in words is "twelve trillion, two hundred one billion, one million, one hundred twenty thousand, twelve".