12211220102 has 8 divisors (see below), whose sum is σ = 18321938856. Its totient is φ = 6103907152.

The previous prime is 12211220101. The next prime is 12211220111. The reversal of 12211220102 is 20102211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12211220102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842468 + ... + 856839.

It is an arithmetic number, because the mean of its divisors is an integer number (2290242357).

Almost surely, 2^12211220102 is an apocalyptic number.

12211220102 is a deficient number, since it is larger than the sum of its proper divisors (6110718754).

12211220102 is a wasteful number, since it uses less digits than its factorization.

12211220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702902.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211220102 its reverse (20102211221), we get a palindrome (32313431323).

The spelling of 12211220102 in words is "twelve billion, two hundred eleven million, two hundred twenty thousand, one hundred two".