12000000222111 has 32 divisors (see below), whose sum is σ = 17471679160320. Its totient is φ = 7265589968000.

The previous prime is 12000000222097. The next prime is 12000000222169. The reversal of 12000000222111 is 11122200000021.

It is a cyclic number.

It is not a de Polignac number, because 12000000222111 - 2¹³ = 12000000213919 is a prime.

It is a super-3 number, since 3×12000000222111³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000000222181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639206521 + ... + 639225293.

It is an arithmetic number, because the mean of its divisors is an integer number (545989973760).

Almost surely, 2^{12000000222111} is an apocalyptic number.

12000000222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000000222111 is a deficient number, since it is larger than the sum of its proper divisors (5471678938209).

12000000222111 is a wasteful number, since it uses less digits than its factorization.

12000000222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36767.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000000222111 its reverse (11122200000021), we get a palindrome (23122200222132).

The spelling of 12000000222111 in words is "twelve trillion, two hundred twenty-two thousand, one hundred eleven".