12212212002102 has 64 divisors (see below), whose sum is σ = 31186496140800. Its totient is φ = 3469926042720.

The previous prime is 12212212002061. The next prime is 12212212002131. The reversal of 12212212002102 is 20120021221221.

It is a happy number.

12212212002102 is a `hidden beast` number, since 1 + 221 + 221 + 200 + 21 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 89178652 + ... + 89315487.

It is an arithmetic number, because the mean of its divisors is an integer number (487289002200).

Almost surely, 2^{12212212002102} is an apocalyptic number.

12212212002102 is an abundant number, since it is smaller than the sum of its proper divisors (18974284138698).

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

12212212002102 is a wasteful number, since it uses less digits than its factorization.

12212212002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178494338 (or 178494332 counting only the distinct ones).

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

Adding to 12212212002102 its reverse (20120021221221), we get a palindrome (32332233223323).

The spelling of 12212212002102 in words is "twelve trillion, two hundred twelve billion, two hundred twelve million, two thousand, one hundred two".