12111012201212 has 6 divisors (see below), whose sum is σ = 21194271352128. Its totient is φ = 6055506100604.

The previous prime is 12111012201203. The next prime is 12111012201221. The reversal of 12111012201212 is 21210221011121.

It is an interprime number because it is at equal distance from previous prime (12111012201203) and next prime (12111012201221).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513876525148 + ... + 1513876525155.

It is an arithmetic number, because the mean of its divisors is an integer number (3532378558688).

Almost surely, 2^{12111012201212} is an apocalyptic number.

It is an amenable number.

12111012201212 is a deficient number, since it is larger than the sum of its proper divisors (9083259150916).

12111012201212 is a wasteful number, since it uses less digits than its factorization.

12111012201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027753050307 (or 3027753050305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111012201212 its reverse (21210221011121), we get a palindrome (33321233212333).

The spelling of 12111012201212 in words is "twelve trillion, one hundred eleven billion, twelve million, two hundred one thousand, two hundred twelve".