12011221111202 has 8 divisors (see below), whose sum is σ = 19076645294316. Its totient is φ = 5652339346432.

The previous prime is 12011221111187. The next prime is 12011221111223. The reversal of 12011221111202 is 20211112211021.

It can be written as a sum of positive squares in 2 ways, for example, as 11860233689161 + 150987422041 = 3443869^2 + 388571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176635604543 + ... + 176635604610.

Almost surely, 2^{12011221111202} is an apocalyptic number.

12011221111202 is a deficient number, since it is larger than the sum of its proper divisors (7065424183114).

12011221111202 is a wasteful number, since it uses less digits than its factorization.

12011221111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353271209172.

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

Adding to 12011221111202 its reverse (20211112211021), we get a palindrome (32222333322223).

The spelling of 12011221111202 in words is "twelve trillion, eleven billion, two hundred twenty-one million, one hundred eleven thousand, two hundred two".