12012201201122 has 4 divisors (see below), whose sum is σ = 18018301801686. Its totient is φ = 6006100600560.

The previous prime is 12012201201061. The next prime is 12012201201193. The reversal of 12012201201122 is 22110210221021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11809332933841 + 202868267281 = 3436471^2 + 450409^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12012201201122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003050300279 + ... + 3003050300282.

Almost surely, 2^{12012201201122} is an apocalyptic number.

12012201201122 is a deficient number, since it is larger than the sum of its proper divisors (6006100600564).

12012201201122 is an equidigital number, since it uses as much as digits as its factorization.

12012201201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006100600563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012201201122 its reverse (22110210221021), we get a palindrome (34122411422143).

The spelling of 12012201201122 in words is "twelve trillion, twelve billion, two hundred one million, two hundred one thousand, one hundred twenty-two".