12211212000111 has 16 divisors (see below), whose sum is σ = 16368091852800. Its totient is φ = 8097576490080.

The previous prime is 12211212000109. The next prime is 12211212000133. The reversal of 12211212000111 is 11100021211221.

It is a happy number.

It is not a de Polignac number, because 12211212000111 - 2¹ = 12211212000109 is a prime.

It is a super-2 number, since 2×12211212000111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211212000191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6882381 + ... + 8472873.

It is an arithmetic number, because the mean of its divisors is an integer number (1023005740800).

Almost surely, 2^{12211212000111} is an apocalyptic number.

12211212000111 is a deficient number, since it is larger than the sum of its proper divisors (4156879852689).

12211212000111 is a wasteful number, since it uses less digits than its factorization.

12211212000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604086.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12211212000111 its reverse (11100021211221), we get a palindrome (23311233211332).

The spelling of 12211212000111 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, one hundred eleven", and thus it is an aban number.