12012212112101 has 2 divisors, whose sum is σ = 12012212112102. Its totient is φ = 12012212112100.

The previous prime is 12012212112079. The next prime is 12012212112149. The reversal of 12012212112101 is 10121121221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9535286981476 + 2476925130625 = 3087926^2 + 1573825^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012212112101 - 2⁶ = 12012212112037 is a prime.

It is a super-3 number, since 3×12012212112101³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12012212112101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012212112701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006106056050 + 6006106056051.

It is an arithmetic number, because the mean of its divisors is an integer number (6006106056051).

Almost surely, 2^{12012212112101} is an apocalyptic number.

It is an amenable number.

12012212112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012212112101 is an equidigital number, since it uses as much as digits as its factorization.

12012212112101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12012212112101 its reverse (10121121221021), we get a palindrome (22133333333122).

The spelling of 12012212112101 in words is "twelve trillion, twelve billion, two hundred twelve million, one hundred twelve thousand, one hundred one".