12211212201102 has 12 divisors (see below), whose sum is σ = 26457626435760. Its totient is φ = 4070404067028.

The previous prime is 12211212201101. The next prime is 12211212201137. The reversal of 12211212201102 is 20110221211221.

12211212201102 is a `hidden beast` number, since 1 + 221 + 121 + 220 + 1 + 102 = 666.

It is a super-2 number, since 2×12211212201102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 678400677839 = 12211212201102 / (1 + 2 + 2 + 1 + 1 + 2 + 1 + 2 + 2 + 0 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211212201101) 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 5 ways as a sum of consecutive naturals, for example, 339200338902 + ... + 339200338937.

It is an arithmetic number, because the mean of its divisors is an integer number (2204802202980).

Almost surely, 2^{12211212201102} is an apocalyptic number.

12211212201102 is an abundant number, since it is smaller than the sum of its proper divisors (14246414234658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211212201102 is a wasteful number, since it uses less digits than its factorization.

12211212201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678400677847 (or 678400677844 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12211212201102 its reverse (20110221211221), we get a palindrome (32321433412323).

The spelling of 12211212201102 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred one thousand, one hundred two".