12011121201122 has 4 divisors (see below), whose sum is σ = 18016681801686. Its totient is φ = 6005560600560.

The previous prime is 12011121201109. The next prime is 12011121201143. The reversal of 12011121201122 is 22110212111021.

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., 11174973724201 + 836147476921 = 3342899^2 + 914411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12011121201122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002780300279 + ... + 3002780300282.

Almost surely, 2^{12011121201122} is an apocalyptic number.

12011121201122 is a deficient number, since it is larger than the sum of its proper divisors (6005560600564).

12011121201122 is an equidigital number, since it uses as much as digits as its factorization.

12011121201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005560600563.

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

Adding to 12011121201122 its reverse (22110212111021), we get a palindrome (34121333312143).

The spelling of 12011121201122 in words is "twelve trillion, eleven billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-two".