12011222022201 has 12 divisors (see below), whose sum is σ = 17369191338928. Its totient is φ = 7998412847544.

The previous prime is 12011222022197. The next prime is 12011222022209. The reversal of 12011222022201 is 10222022211021.

It is a happy number.

12011222022201 is a `hidden beast` number, since 120 + 1 + 122 + 202 + 220 + 1 = 666.

It is not a de Polignac number, because 12011222022201 - 2² = 12011222022197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011222022209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 755699995 + ... + 755715888.

Almost surely, 2^{12011222022201} is an apocalyptic number.

It is an amenable number.

12011222022201 is a deficient number, since it is larger than the sum of its proper divisors (5357969316727).

12011222022201 is a wasteful number, since it uses less digits than its factorization.

12011222022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511416772 (or 1511416769 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12011222022201 its reverse (10222022211021), we get a palindrome (22233244233222).

The spelling of 12011222022201 in words is "twelve trillion, eleven billion, two hundred twenty-two million, twenty-two thousand, two hundred one".