12031212301211 has 8 divisors (see below), whose sum is σ = 12034966944000. Its totient is φ = 12027457953000.

The previous prime is 12031212301183. The next prime is 12031212301231. The reversal of 12031212301211 is 11210321213021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031212301211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031212301231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103882586 + ... + 103998336.

It is an arithmetic number, because the mean of its divisors is an integer number (1504370868000).

Almost surely, 2^{12031212301211} is an apocalyptic number.

12031212301211 is a deficient number, since it is larger than the sum of its proper divisors (3754642789).

12031212301211 is a wasteful number, since it uses less digits than its factorization.

12031212301211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147289.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12031212301211 its reverse (11210321213021), we get a palindrome (23241533514232).

The spelling of 12031212301211 in words is "twelve trillion, thirty-one billion, two hundred twelve million, three hundred one thousand, two hundred eleven".