12011222202016 has 24 divisors (see below), whose sum is σ = 23647219493940. Its totient is φ = 6005579155968.

The previous prime is 12011222201971. The next prime is 12011222202017. The reversal of 12011222202016 is 61020222211021.

It can be written as a sum of positive squares in 2 ways, for example, as 11959119574416 + 52102627600 = 3458196^2 + 228260^2 .

It is not an unprimeable number, because it can be changed into a prime (12011222202017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830260 + ... + 7616716.

Almost surely, 2^{12011222202016} is an apocalyptic number.

12011222202016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12011222202016 is a deficient number, since it is larger than the sum of its proper divisors (11635997291924).

12011222202016 is a wasteful number, since it uses less digits than its factorization.

12011222202016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996576 (or 1996568 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12011222202016 its reverse (61020222211021), we get a palindrome (73031444413037).

The spelling of 12011222202016 in words is "twelve trillion, eleven billion, two hundred twenty-two million, two hundred two thousand, sixteen".