12061211211071 has 8 divisors (see below), whose sum is σ = 13158283379664. Its totient is φ = 10964238779520.

The previous prime is 12061211211047. The next prime is 12061211211079. The reversal of 12061211211071 is 17011211216021.

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-12061211211071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12061211211071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061211211079) 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, 24681290 + ... + 25165223.

It is an arithmetic number, because the mean of its divisors is an integer number (1644785422458).

Almost surely, 2^{12061211211071} is an apocalyptic number.

12061211211071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12061211211071 is a deficient number, since it is larger than the sum of its proper divisors (1097072168593).

12061211211071 is a wasteful number, since it uses less digits than its factorization.

12061211211071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49868521.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 12061211211071 its reverse (17011211216021), we get a palindrome (29072422427092).

The spelling of 12061211211071 in words is "twelve trillion, sixty-one billion, two hundred eleven million, two hundred eleven thousand, seventy-one".