12011220000002 has 16 divisors (see below), whose sum is σ = 18264221176320. Its totient is φ = 5923151547552.

The previous prime is 12011219999981. The next prime is 12011220000023. The reversal of 12011220000002 is 20000002211021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12011219999981) and next prime (12011220000023).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308699 + ... + 5913537.

It is an arithmetic number, because the mean of its divisors is an integer number (1141513823520).

Almost surely, 2^{12011220000002} is an apocalyptic number.

12011220000002 is a deficient number, since it is larger than the sum of its proper divisors (6253001176318).

12011220000002 is a wasteful number, since it uses less digits than its factorization.

12011220000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636497.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12011220000002 its reverse (20000002211021), we get a palindrome (32011222211023).

The spelling of 12011220000002 in words is "twelve trillion, eleven billion, two hundred twenty million, two", and thus it is an aban number.